Journal of Operations Management 28 (2010) 144–162 Contents lists available at ScienceDirect Journal of Operations Management journal homepage: www.elsevier.com/locate/jom The impact of information technology use on plant structure, practices, and performance: An exploratory study Gregory R. Heim 1, David Xiaosong Peng * Department of Information & Operations Management, Mays Business School at Texas A&M University, 320 Wehner Building, 4217 TAMU, College Station, TX 77843-4217, United States A R T I C L E I N F O A B S T R A C T Article history: Received 25 July 2008 Received in revised form 16 September 2009 Accepted 23 September 2009 Available online 1 October 2009 Firms have been investing millions of dollars on information technology (IT) in their manufacturing plants. However, the research literature is unclear about the extent and scope of the impact of IT use on plant operations. This study examines the impact of IT use on the structure, practices, and performance of manufacturing plants. Drawing on information systems and operations management literature, the study differentiates between plant IT use (i) at the process level, (ii) due to internal process integration, and (iii) due to customer and supplier collaboration, labeled as process intelligence, integration intelligence, and collaboration intelligence, respectively. The study also accounts for intelligence gathering due to statistical process control (SPC) practices. The proposed impacts of IT use are examined using data from a study sample of manufacturing plants from electronics, machinery and transportation component industries. Overall, the evidence suggests that SPC has a broader and more significant impact on many aspects of plant operations than the individual dimensions of IT use. However, the three dimensions of IT use do exhibit distinct effects on plant structure, practices, and performance. Process intelligence tends to be associated with plant size and productivity, while integration intelligence and collaboration intelligence tend to be associated with work practices related to increased organizational decentralization and a flexible technology focus. ß 2009 Elsevier B.V. All rights reserved. Keywords: Manufacturing Process control Information technology Regression 1. Introduction The impact of information technology (IT) use on performance and other organization outcomes is an important topic to both practitioners and academics. During the 1970s and 1980s, manufacturers began adopting IT to automate plant operations. Since the early 1990s there has been a rapid growth in IT investments for enterprise resource planning and supply chain management in manufacturing industries. These information technologies are believed to improve the efficiency of manufacturer shop floor operations, enhance integration across different functional areas, and facilitate inter-firm collaboration (Akkermans et al., 2003; Banker et al., 2006; Kelley, 1994). Despite increased adoption and use of advanced IT by manufacturing firms, to date there is still a lack of systematic study of the impact of IT on manufacturing operations, particularly at the plant level (Banker et al., 2006). A review of the Operations Management (OM) literature indicates that prior * Corresponding author. Tel.: +1 979 845 6996; fax: +1 979 845 5653. E-mail addresses: [email protected] (G.R. Heim), [email protected] (D.X. Peng). 1 Tel.: +1 979 845 9218; fax: +1 979 845 5653. 0272-6963/$ – see front matter ß 2009 Elsevier B.V. All rights reserved. doi:10.1016/j.jom.2009.09.005 studies have largely studied IT performance impact at the firm level (e.g., Cao and Dowlatshahi, 2005; Dehning et al., 2007; Hendricks et al., 2007) or the industry sector level (Shah and Shin, 2007). Another stream of the OM literature has examined a focused type of IT such as new product development and project management tools (Bardhan et al., 2007; Malhotra et al., 2001), enterprise resource planning (Masini and Van Wassenhove, 2009), or supply chain collaboration (Hill and Scudder, 2002; Saeed et al., 2005). However, few studies have examined a wide spectrum of IT applications both within and across firm boundaries. In the Information Systems (IS) literature, a large number of studies capture the level of IT adoption using highly aggregated IT investment measures that typically lump together all IT-related spending, such as investments in computer hardware, software, and telecommunication infrastructure (e.g., Dewan et al., 2007; Harris and Katz, 1991). This approach to examining ‘‘IT capital’’ does not allow the isolation of the impact of specific IT applications (Banker et al., 2006). However, assessing the impact of specific IT use is important for improving plant operations because building IT-based competence is an ongoing process that requires incremental investments in new IT applications in order to improve the effectiveness and efficiency of operational processes at different levels. G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 Over the past two decades, manufacturing firms have witnessed increasingly individualized customer demands, leading to increased customization and proliferation of products and services. As a result, modern-day manufacturing firms tend to have multiple product lines targeting different markets and customer segments. Within a manufacturing firm, individual manufacturing plants supplying different target markets and customers need to be supported by a tailored configuration of IT applications (Henderson and Venkatraman, 1999; Kathuria et al., 1999). While many firms strive to develop a common IT infrastructure, decisions on specific IT investments to some extent rest on plant management. Thus, a plant-level analysis of IT use is expected to provide a finegrained understanding of the linkage between IT and organizational outcomes. Prior research suggests that IT use may not directly impact overall business or operational performance, but rather affects certain intermediate variables such as process efficiency and organization learning (Banker et al., 2006; Devaraj et al., 2007; Tippins and Sohi, 2003). Simply examining overall performance impacts may miss important implications of the many roles IT can play. Thus, researchers need to consider dependent variables other than performance. ‘‘In some circumstances, adopting the effectiveness of business processes as a dependent variable may be more appropriate than adopting overall organizational performance as a dependent variable’’ (Ray et al., 2004, p. 23). In this study we examine a broad set of dependent variables encompassing measures for plant structure, operational practices, and performance. In examining the impact of IT use, researchers have adopted various theoretical perspectives such as the resource-based view, transaction cost theory, and organization information-processing theory. Most of these theories are borrowed from the management or economics literature, whereas OM theories have barely been adopted to examine IT use in manufacturing operations. In this study, we draw on Jaikumar’s (1988) theoretical framework on the evolution of process control as well as other relevant literature to study plant-level IT use and its impact. The key idea we draw from this framework is that broad use of information technology will enhance an organization’s ability to process information and thus change how production processes are managed and work organized, leading to changes in process scope and work practices. 145 Jaikumar inductively derived a theoretical framework on the evolution of process control by tracing historical events in the firearm industry (Fig. 1). He observed that information used to control processes was initially generated using paper-based and mechanical tools to provide static intelligence, and later generated using digital computer systems oriented toward dynamic intelligence. For each evolutionary period, Jaikumar also notes contemporaneous patterns of plant size and structure, work practices, operational processes, and performance. In summarizing the changes in the patterns over time, Jaikumar (2005, p. 112) presented a framework relating the evolution toward information systems supporting dynamic intelligence to patterns of organizational structure, operational practices and performance. While Jaikumar’s theoretical framework is longitudinal in nature, it offers important implications about the cross-sectional relationships between different dimensions of intelligence gathering (using various information systems) and plant structure, practices and performance. To examine these relationships, we analyze data from an international study sample of over 200 manufacturing plants in electronics, machinery, and transportation component industries. We view each plant’s data on information technology use to represent a chosen configuration of managerial practices and strategies supporting dynamic intelligence (Leonard-Barton, 1988; Itami and Numagami, 1992). In a randomly selected cross-sectional sample of plants, plant IT systems are expected to vary considerably in terms of their sophistication and scope, therefore placing sample plants at different stages along the evolutionary path that Jaikumar proposed firms would follow to develop dynamic intelligence. We also expect plants to exhibit different process control characteristics along this path. We use the data to position the plant operations along the dimensions of IT use. We find some empirical results consistent with the implications of the model, yet also observe some results that differ from the proposed outcomes. The paper contributes to the literature by systematically examining the impact of IT use at the plant level. The paper is organized as follows. Section 2 reviews Jaikumar’s theoretical framework and develops hypotheses. Section 3 describes data, measurement and analysis results. Section 4 Fig. 1. Evolution of process control (Jaikumar, 1988); the right-most column is intended to show how the dynamic intelligence variables are related to Jaikumar’s framework. These constructs are not part of Jaikumar’s framework. 146 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 concludes by discussing theoretical and practical implications and future research directions. 2. Background 2.1. IT and evolution of process control Since the 1970s, manufacturing industries have observed growing adoption and use of advanced manufacturing technology (AMT), enabled largely by modern information technology. Technologies such as computer aided design (CAD), computer aided manufacturing (CAM), material requirement planning (MRP), and flexible manufacturing systems (FMS) have dramatically changed manufacturing processes and their outputs. AMT is believed to deliver high production flexibility, rapid responses to changes in demand and product design, greater control and repeatability of processes, faster throughput, reduced waste, and distributed process capability (Boyer et al., 1996; Kelley, 1994). As such, the traditional tradeoff between flexibility and efficiency has been altered significantly: ‘‘one of the primary benefits ascribed to AMTs is the capability to combine traditional economies of scale with economies of scope in an ability to achieve both flexibility and efficiency’’ (Boyer et al., 1996, p. 298). Indeed, IT has been widely acclaimed to enable mass customization since it provides ‘‘efficient flexibility’’ to help firms cope with the dual challenge of ‘‘speed and flexibility’’ and ‘‘low cost’’ (Allen and Boynton, 1991, p. 436). The impact of IT is not limited to core production processes. Broad adoption and use of IT within the firm and across firm boundaries also may stimulate new work practices and organizational forms, leading to changes beyond core production processes (Bresnahan et al., 2002). Recently, advances in Internet technology have enabled firms to monitor, improve, and control operational processes throughout the supply chain (Banker et al., 2006; Rai et al., 2006). Interorganizational processes, when enabled by integrated IT systems, can create capabilities in ‘‘demand sensing, operations and work flow coordination, and global optimization of resources’’ (Rai et al., 2006, p. 227). The historical use of IT for monitoring and controlling manufacturing processes is documented in detail in Jaikumar’s industrial history monograph on the evolution of process control within firearm manufacturing (Jaikumar, 1988, 2005). In particular, the monograph describes how process scope and worker discretion changed over time in response to the adoption of tools and information systems used to monitor and control the production processes for gun manufacture. Jaikumar uses a model similar to the one presented in Fig. 1 to describe this evolution. The model is a two-dimensional matrix built upon the dimensions of static (mechanization) vs. dynamic (intelligence) information supporting the work process, and low process scope/low discretion vs. high process scope/high discretion in worker decision making. The path of process control evolution follows a U-shaped pattern according to the numbered cells in Fig. 1, from cell 1 through cell 6. The model positions historical process types along an ordinal timeline spanning from the English system of manufacturing to modern (late 1980s) flexible manufacturing systems and computer-integrated manufacturing (CIM). Underlying the model is a view that operations have been evolving from physical control toward digital control of production systems. Karmarkar and Apte (2007) characterize this phenomenon as an evolution ‘‘from a material-based economy to an information-based economy’’ (p. 438) and suggest that the challenges of managing these information-based operations will provide the bulk of interesting future OM research topics. In Jaikumar’s (1988, p. 92) model, production evolves from a static, unchanging world to a ‘‘dynamic, information intensive world’’. Jaikumar characterizes mechanized technologies as incorporating simple manual and ‘‘hard’’ mechanical mechanization. In contrast, dynamic technologies require ‘‘softer’’ machine intelligence – essentially computerized programmable intelligence – that substitutes for intelligent tasks ordinarily performed by humans. For example, dynamically intelligent machines must be able to recognize a part they pick up, how to position that part for processing, and how to adjust the part processing based on tool wear. The scope dimension relates to the breadth of unique production capabilities that a process is able to handle. Discretion relates to the ability of workers or machines to make autonomous decisions regarding the production activities that they will undertake. Subjectively, Jaikumar’s work seems to have predicted the subsequent industrial movement toward IT-based production operations. During the 20 years since its publication, the world has experienced a continuing evolution toward IT-based production systems via (i) broad plant-level use of computerized production technologies such as FMS, CIM, CAD/CAM, and CAPP, (ii) enterprise information systems for CRM, ERP and SCM, and (iii) collaboration via the Internet (Banker et al., 2006; Wu et al., 2003; Caldeira and Ward, 2002). As manufacturing firms have increasingly adopted a broad array of information technology, Jaikumar’s model has seen growing use by academics to motivate the need for new theoretical frameworks (Melcher et al., 2002) and operations tools (Brooking et al., 1995). Yet, firms today are using information technology in varieties and to an extent that could not have been imagined in 1988, when Jaikumar proposed the framework. Thus, researchers may need to enrich the framework’s constructs based on present-day knowledge of how IT use has played out. Jaikumar’s (1988) work focuses on how process-level IT affected plant activities at various levels. In comparison, in today’s manufacturing operations information technology use can span from internal processes out to customers and suppliers. In this paper, we characterize a manufacturing plant’s IT use along three dimensions labeled process intelligence, integration intelligence, and collaboration intelligence. These three dimensions of IT use represent IT applications supporting manufacturing operations, integration among different functions, and collaboration and integration with suppliers and customers, respectively. This classification of IT use parallels the general history of the development of modern information systems (Banker et al., 2006; Wu et al., 2003; Caldeira and Ward, 2002). Several studies have explored these factors individually (e.g., Bardhan et al., 2007; Hill and Scudder, 2002; Saeed et al., 2005; Masini and Van Wassenhove, 2009), but few have examined them as separate factors jointly driving changes in plant structure, practices, and performance. Jaikumar’s model (Fig. 1) suggests that after a period characterized by centralization, process automation and economies of scale, firms should exhibit movement toward early intelligence gathering via statistical process control (SPC), and subsequent use of IT-based dynamic intelligence gathering. We propose that SPC and various dimensions of dynamic intelligence should be observed in a cross-sectional sample of manufacturing plants. Yet, at the same time, because firms have different internal traits and operate in different task environments, each firm may evolve following its own unique path, which may begin in any of the stages in Jaikumar’s framework or with any dimension of IT use. As such, we expect that not all manufacturing plants have evolved through every stage, leading to different degrees of use of SPC and IT-based dynamic intelligence. While the left-hand side of Jaikumar’s model (Fig. 1) may be largely unestimable using contemporary data since it relates to historical developments from the first half of the 1900s and before, we believe that the right half of the framework can be analyzed since it relates to ongoing manufacturing developments. Thus, we focus on empirically G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 estimating the impact of moving away from the left side of Fig. 1 by adopting statistical process control and systems for IT-based dynamic intelligence. 2.2. Research model and hypotheses A move toward centralization of job content and a loss of worker discretion within a manufacturing plant was an early indicator of a movement toward large operations focused on scale economies (Jaikumar, 1988). Centralization as a dimension of organizational social structure has been studied frequently in prior literature, especially with respect to its causal impact at the firm level (e.g., Parthasarthy and Sethi, 1992, 1993; Vickery et al., 1999). In the first half of Jaikumar’s framework, as centralization increases, one should observe associated size and productivity increases, whereas decentralized worker practices and supporting technology should be observed to decrease. However, by the 1980s the growing use of competence-destroying IT was expected to reverse these historical trends, leading to a lower degree of centralization and increasingly decentralized practices. Jaikumar’s work suggests that certain operational patterns will be observed in manufacturing firms at different stages along this evolution path, presented from top to bottom within each row in Table 1. For example, the control of work was expected to evolve over time from a mechanical craft to using a skill set focused on diagnosis and experimentation. Consistent with changing views on IT in the strategy literature (Itami and Numagami, 1992), we expect decreased centralization to be an outcome of information technology evolution rather than an input. In this study, we focus on the impact of using statistical process control and information technology supporting plant intelligence to examine the proposed movement toward decentralized plant structures, discretionary work practices, and a flexible technology focus. We derive research propositions from the proposed pattern in Fig. 1, from the rows highlighted by the rightmost bold column in Table 1, and from knowledge about modern-day information systems, which we view in terms of the three dimensions of dynamic intelligence (i.e., dimensions of IT use). Our research framework and propositions are presented in Fig. 2 and the rest of this section. The first research proposition relates to statistical process control. We examine the impact of SPC at the plant level as a representative practice relating to information gathering that contributes to a more effective control of processes (Jaikumar, 1988). Jaikumar suggests that the drive toward gathering SPC information was an early movement toward dynamic intelligence within-plant operations. In manufacturing operations, statistical tools and techniques play an important role in monitoring and controlling production processes (Benner and Tushman, 2003; Handfield et al., 1999; Rungtusanatham, 2001). Previous studies have found positive impacts of SPC or Total Quality Management (TQM) (e.g., Anderson et al., 1995; Flynn et al., 1995), while other studies report mixed results depending upon the outcome variables examined (e.g., Black and Lynch, 2001; Choi and Eboch, 1998). Overall, literature has documented the role of SPC for supporting JIT practices in standardized larger scale operations, and the role of TQM in supporting new decentralized work practices within-plant operations. Thus, we state the following proposition: Proposition P1. Statistical process control: Plants exhibiting a higher level of statistical process control will be positively associated with (i) operations size, (ii) operations productivity, and (iii) discretionary work practices related to organizational change. Statistical process control will be insignificantly or negatively associated with (iv) discretionary work practices related to experimentation and development, and (v) technology focus. 147 Table 1 Jaikumar’s proposed patterns across evolutionary timeline. Operational characteristics Proposed direction of change Number of people (minimum scale) Number of machines Increase (+) followed by decrease () Increase (+) followed by decrease () Increases (+) Decrease () followed by increase (+) Size trends Productivity increase Number of products Nature of work Standards for work Discretionary work practices Control of work Technology keys Focus on absolute product Focus on relative product Focus on work standards Focus on process standards Focus on functional standards Focus on technology standards Mechanical craft Repetitive tasks/ diagnostic skill Experimental skill Work ethos Perfection Satisfied Reproduce Monitor Control Develop Organizational change Break up of guilds Staff-line separation Increase functional specialization Increase problemsolving teams Increase cellular control Increase product-process collaboration/integration Staff-to-line ratio Line workers/machine Increases (+) Decreases () Instrument of control From micrometer to professional computer workstation Process focus Accuracy Precision:repeatability Precision:reproducibility Precision:stability Adaptability Versatility Focus of control Product functionality Product conformance Process capability Product/process integration Process intelligence Rework Decreases () Technology focus (Source: Jaikumar, 2005, p. 13). Rows in italic are not empirically examined. The rightmost column contains terminology used throughout the remainder of the paper. We break the theorized evolution along the right-hand side of Jaikumar’s model in Fig. 1 into three separate factors that represent the separate evolution due to use of information technologies supporting process intelligence, integration intelligence, and collaboration intelligence. Process intelligence represents the extent to which information technology is adopted for tactical uses at the process level within manufacturing operations. In this study, we consider a breadth of practices included within the scope 148 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 Fig. 2. Research model. of process intelligence. These practices span from product design processes to material procurement activities, plant-floor operational control, and shipping processes. As a representative dimension of dynamic intelligence, we propose that the increased use of information technologies supporting process intelligence will be associated with Jaikumar’s expected outcomes of smaller plant size, increased discretionary work practices, and technology focus changes leading to higher flexibility and customization. Thus, we propose the following: Proposition P2a. Process intelligence: Higher process intelligence will be negatively associated with (i) operations size. Higher process intelligence will be positively associated with (ii) operations productivity, (iii) discretionary work practices related to organizational change, (iv) discretionary work practices related to experimentation and development, and (v) technology focus. Extant literature has found some of these impacts related to process intelligence. Studies report industry-level evidence that IT investments are related to smaller firm size (Brynjolfsson et al., 1994; Mitchell, 2002). At the firm level, IT investments are found to relate positively to firm financial performance (Bharadwaj et al., 1999), operational performance (Banker et al., 2006), and productivity (Black and Lynch, 2001; Mukhopadhyay et al., 1997; Bessen, 2002; Comin, 2002). At the process level, IT use is found to improve process efficiency and conformance quality (Banker et al., 2006; Kelley, 1994). IT use in new product development projects has the potential to speed up the development process (Bardhan et al., 2007; Mallick and Schroeder, 2005), reduce development costs, improve customer satisfaction (Bardhan et al., 2007; Griffin and Page, 1993), and ultimately, help achieve new product success (Koufteros et al., 2005; Mallick and Schroeder, 2005; Swink and Song, 2007). Finally, prior studies suggest that IT use stimulates organization changes and innovation, and leads firms to use more skilled workers (Bresnahan et al., 2002). Integration intelligence represents the extent to which each of the tactical information technologies at the process level is integrated into a single system, in this case an ERP system, in order to provide plant and firm managers with a system-wide intelligence about the activities taking place within operations. Again, for integration intelligence, we include the integration of a broad set of practices related to product design, procurement, shop floor operations, and logistics. Since higher integration intelligence represents an increase toward higher dynamic intelligence, we propose that the increased integration intelligence will be associated with Jaikumar’s expected outcomes of smaller plant size, increased discretionary work practices, and technology focus changes leading to higher flexibility and customization. Proposition P2b. Integration intelligence: Higher integration intelligence will be negatively associated with (i) operations size. Higher integration intelligence will be positively associated with (ii) operations productivity, (iii) discretionary work practices related to organizational change, (iv) discretionary work practices related to experimentation and development, and (v) technology focus. Extant literature, however, suggests that mixed outcomes may result from integration intelligence. Several studies report that ERP helps firms gain a competitive advantage over non-adopters (Hunton et al., 2003; Mabert et al., 2003). However, the benefit varies considerably across firms. Banker et al. (2006) observe positive associations of integration IT with efficiency, quality improvement, and time to market. Hitt et al. (2002) find that ERP adoption is positively related to production output and sales, yet negatively related to the cost of goods sold. Yet, Akkermans et al. (2003) identify many shortcomings of ERP systems that directly impact intelligence gathering and dissemination, leading to decreased process flexibility and worsening performance. Because the focus of many ERP systems is on standardizing processes, a movement toward ERP may lead to findings inconsistent with Jaikumar’s framework. Collaboration intelligence represents the extent to which a plant has adopted information technologies that allow them to communicate and collaborate with customers and suppliers. The activities span from marketing and sales activities on the customer side to planning, design, purchasing and supply activities on the supplier side. Once again, since higher collaboration intelligence represents an increase in dynamic intelligence, we propose that increases in collaboration intelligence will be associated with Jaikumar’s expected outcomes of smaller plant size, increased discretionary work practices, and technology focus changes leading to higher flexibility and customization. G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 Proposition P2c. Collaboration intelligence: Higher collaboration intelligence will be negatively associated with (i) operations size. Higher collaboration intelligence will be positively associated with (ii) operations productivity, (iii) discretionary work practices related to organizational change, (iv) discretionary work practices related to experimentation and development, and (v) technology focus. Extant literature reports somewhat mixed results with respect to collaboration intelligence. Demand chain and supply chain integration have been shown to be positively associated with firm performance (Frohlich, 2002; Frohlich and Westbrook, 2002). Barua et al. (2004) find significant positive links from supplier-side to customer-side digital collaboration, and ultimately to financial performance. Likewise, Banker et al. (2006b) find positive associations of collaboration IT with efficiency, quality improvement, and time to market. In contrast, Malhotra et al. (2005) observe a negative correlation between partner-enabled market knowledge creation and operational efficiency measures. 3. Data and methodology 3.1. Data source The data for our study were collected from 2005 to 2007 as part of the High Performance Manufacturing (HPM) project (Bozarth et al., 2009). The HPM project uses a stratified sample consisting of traditional and high performance manufacturing plants. This research design ensures a sufficient number of high performing plants in the sample along with more representative traditional plants. Variation in plant characteristics is likely to be associated with different extent and scope of IT use, making it possible to examine our propositions using data collected from the crosssectional sample of manufacturing plants in the HPM study. Data were collected using a mail survey. Because data collection involved multiple countries, the questionnaires were translated into the native language of each country. The questionnaires were then translated back to English by a different person to check for accuracy. This process helps control for country level response bias due to inaccurate translation of the survey questions. The sample includes plants in eight countries: Finland, Sweden, Germany, Austria, Italy, Japan, Korea, and the United States. These countries were selected to obtain a broad representation of developed economies across different geographical regions and 149 cultures (Europe, Asia, and North America). The sample plants represent three industries: machinery, electronics, and transportation components. These industries were selected because of their significant presence in the countries where the survey was conducted (Schroeder and Flynn, 2001). Details of the sample plants are reported in Table 2. The sample plants were randomly drawn from a master list of manufacturing plants in each participating country, with approximately 10 plants in each of the three industries (electronics, machinery, and transportation components) for a total of approximately 30 plants per country. The main informant for the dynamic intelligence variables was the information systems manager. Other informants for this study included accounting manager, direct labor, human resource manager, quality manager, inventory manager, plant manager, plant superintendent, product development manager and process engineer, who responded to questions measuring plant structure, practice, and performance. A research coordinator at each participating plant distributed the questionnaires to the named managers and randomly selected workers and supervisors, and collected the completed questionnaires in sealed envelopes to protect confidentiality. After all data were collected, the research team provided each participating plant with a detailed profile of its own manufacturing operations and benchmark data in its industry, as promised before the data collection effort. Altogether 238 manufacturing plants responded to the survey. Among the plants contacted by the research team, 65% returned the survey questionnaires, representing a response rate of 65%. 3.2. Construction of variables Table 3 presents the independent and dependent variables used in the study, including their data type, a description of the construct measures, respondents for the construct, and published studies that use the same or similar measures, where applicable. The content validity of the measurement items is established based on an extensive review of the relevant literature. This study employs a mixture of indicator, integer, dollar, ratio, percentage, and averaged scale variables. The descriptive statistics and the correlation matrix of the variables are presented in Table 4. In general, the correlations seem to be reasonable. No abnormally high correlations or counter-intuitive correlations are present. Table 2 Plant profile. Number of plants Country Annual sales revenue (median) Number of employees (mean) Average market share of main products Average product life time Average number of product models Percent of manufacturing cost Direct labor Materials Overhead Industry Total Electronics Machinery Transportation components Finland Sweden Germany Italy Austria Japan Korea United States 14 9 9 10 10 10 10 9 6 13 13 10 7 11 10 11 10 19 19 7 5 13 11 9 30 41 41 27 22 34 31 29 Total 79 78 81 238 $284 million 659 25.8% 7.21 years 120 16.5% 59.6% 19.9% 150 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 Table 3 Dependent and independent variables uses in analysis. Variable Type/respondent Description Statistical process control Naor et al. (2008), Peng et al. (2008) Mean (scale items) DL, PE, QMa Processes in our plant are designed to be ‘‘foolproof.’’c (0.49) A large percent of the processes on the shop floor are currently under statistical quality control (0.89) We make extensive use of statistical techniques to reduce variance in processes (0.89) We use charts to determine whether our manufacturing processes are in control (0.68) We monitor our processes using statistical process control (0.91) Rwg = 0.80b Process intelligence Integration intelligence Collaboration intelligence Electronics, machinery USA, Japan, Italy, etc. Parent firm sales Plant sales Labor Sum (0/1), IS Sum (0/1), IS Sum (0/1), IS 0/1 0/1 Dollar, PM Dollar, AC Integer, AC Facility size Integer, AC Labor productivity Capital productivity Orders processed per month Number of final product configurations Ratio, AC Ratio, AC Integer, PM Integer, PM Centralization of authority Aiken and Hage (1966) Mean (scale items) DL, HR, SP Rwg = 0.78 Even small matters have to be referred to someone higher up for a final answer (0.90) This plant is a good place for a person who likes to make his own decisions (0.47)* Any decision I make has to have my boss’s approval (0.84) There can be little action taken here until a supervisor approves a decision (0.76) Flatness of organization structure Nahm et al. (2003), Vickery et al. (1999) Mean (scale items) HR, PS, SP Rwg = 0.93 Our organization structure is relatively flat (0.78) There are few levels in our organizational hierarchy (0.85) Our organization is very hierarchical (0.799)* There are many levels between the lowest level in the organization and top management (0.74)* Our organizational chart has many levels (0.90)* Cooperation Mean (scale items) IM, PM, SP We work as a partner with our suppliers, rather than having an adversarial relationship (0.66) We encourage employees to work together to achieve common goals, rather than encourage competition among individuals (0.73) We work as a partner with our customers (0.48) We believe that cooperative relationships will lead to better performance than adversarial relationships (0.66) We believe that the need for cooperative relationships extends to both employees and external partners (0.54). We believe that an organization should work as a partner with its surrounding community (0.63) Rwg = 0.86 See Appendix A, Table A.1 See Appendix A, Table A.1 See Appendix A, Table A.1 Indicator variables for industry effect Indicator variables for country effect Annual sales of parent corporation Sales value of production ($000) Sum of hourly personnel and salaried personnel, averaged across present year and 2 years previous Space used by the plant (square feet) including production and warehouse space (omits South Korean plants) Plant sales/labor Plant sales/plant size Orders this plant processes each month, on average Number of final product configurations sold to customers last year Employee suggestions Percent cross trained Integer, HR Percent, HR Suggestions per worker provided annually Percent of plant workers that have been cross-trained in more than one job Multi-functional employees Ahmad and Schroeder (2003) Mean (scale items) HR, SP, PS Rwg = 0.84 Our employees receive training to perform multiple tasks (0.77) Employees at this plant learn how to perform a variety of tasks (0.88) The longer an employee has been at this plant, the more tasks they learn to perform (0.520) Employees are cross-trained at this plant, so that they can fill in for others, if necessary (0.79) At this plant, each employee only learns how to do one job (0.69)* Percent employees on problem solving teams Small group problem solving Percent, HR Percent of the workers in the plant involved in problem solving teams Mean (scale items) Rungtusanatham et al. (2005) DL, QM, SP Rwg = 0.80 During problem solving sessions, we make an effort to get all team members’ opinions and ideas before making a decision (0.55) Our plant forms teams to solve problems (0.81) In the past 3 years, many problems have been solved through small group sessions (0.83) Problem solving teams have helped improve manufacturing processes at this plant (0.83) Employee teams are encouraged to try to solve their own problems, as much as possible (0.63) We do not use problem solving teams much, in this plant (0.78)* Knowledge level engineering degrees Percent, HR Percent of salaried personnel having engineering or technical degrees Developing unique practices Mean (scale items) PE, SP, PS Rwg = 0.81 We are known for developing innovative new practices (0.73) We gain a competitive advantage from our unique practices (0.69) When we adopt a new practice, our competitors can easily copy it (0.38)* Willingness to introduce new products 5 point scale PM Which term best describes the plant’s posture toward new products? 5-Leader in new products; 4-Among the first to adopt new products, but not the leader 3-Adopts new products when it becomes more or less the general rule 2-Usually among the last to adopt new products; 1-Never adopts new products New product configurations last year Average lifetime of product configurations, Bozarth et al. (2009) Volume flexibility, Flynn and Flynn (2004) Integer, PE Real, PE Number of new product configurations introduced last year Average lifetime of a product configuration, in number of years Percent change month-to-month, IM Average percent change in plant output dollars from one month to the next, over the course of a year G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 151 Table 3 (Continued ) Variable Type/respondent Description Customization orientation of process Cua et al. (2001) Weighted score, PE What percent of product volume falls into each category? Weighted percent = OneOfAKind% 5 + SmallBatch% 4 + LargeBatch% 3 + LineFlow% 2 + Continuous% 1 Integration between functions Mean (scale items) PE, PM, PS Rwg = 0.84 The The The Our Our Inter-functional design efforts Mean (scale items) Mishra and Shah (2009) PD, PE, SP Direct labor employees are involved to a great extent before introducing new products or making product changes (0.71) Manufacturing engineers are involved to a great extent before the introduction of new products (0.76) There is little involvement of manufacturing and quality people in the early design or products, before they reach the plant (0.70)* We work in teams, with members from a variety of areas (marketing, manufacturing, etc.) to introduce new products (0.78) Rwg = 0.79 functions in our plant work well together (0.87) functions in our plant cooperate to solve conflicts between them, when they arise (0.77) marketing and finance areas know a great deal about manufacturing (0.45) plant’s functions coordinate their activities (0.76) plant’s functions work interactively with each other (0.79) Scrap rate (Devaraj et al., 2004) Percent, QM Percentage of internal scrap and rework Customer satisfaction with products and service (referred to as ‘‘customer satisfaction’’ elsewhere) Bozarth et al. (2009) Mean (scale items) DL, QM, SP Rwg = 0.83 Our customers are pleased with the products and services we provide for them (0.89) Our customers seem happy with our responsiveness to their problems (0.73) We have a large number of repeat customers (0.46) Customer standards are always met by our plant (0.73) Our customers have been well satisfied with the quality of our products, over the past 3 years (0.85) In general, our plant’s level of quality performance over the past 3 years has been low, relative to industry norms (0.76)* a Respondents: AC, accounting manager; DL, direct labor; HR, human resource manager; IM, inventory manager; IS, information systems manager; PD, member of product development team; PE, process engineer; PM, plant manager; PS, plant superintendent; QM, quality manager; SP, supervisor. b Rwg = ratio coefficient for assessing inter-rater agreement, Rwg > 0.80 indicates acceptable inter-rater agreement. c Confirmatory factor analysis loading. * Reverse coded items. Because of the relatively high response rate (65%), nonresponse bias does not appear to be a serious concern. Nevertheless, for each variable with missing responses, we compared responding and non-responding plants for differences in plant size, measured by number of employees. The results suggest that responding and non-responding plants do not exhibit significant differences in plant size. In this study, we view each plant’s data to represent a chosen configuration of managerial practices that places their operations at certain points along each of the dimensions of IT use. Thus, we use the proposed dynamic intelligence dimensions as positioning variables, which allow us to examine whether the proposed relationships between dynamic intelligence and the outcome dimensions are exhibited in the empirical data set. The first four rows in Table 3 present these key statistical process control and dynamic intelligence variables. The statistical process control variable, representing the extent of process control intelligence, was constructed as the average of several items from a multiple item seven-point scale measuring SPC adoption. The dynamic intelligence variables are each constructed as the arithmetic sum of the set of individual IT application variables representing each dimension of dynamic intelligence. Appendix A (Table A.1) presents the IT application areas included in each dynamic intelligence variable. Consistent with the literature (Banker et al., 2006; Barczak et al., 2007; Hitt et al., 2002), we represent each implemented IT application area within each dimension of dynamic intelligence as a binary (0–1) variable. An individual IT variable is assigned a value ‘‘0’’ or ‘‘1’’, where ‘‘0’’ denotes that the represented IT functionality has not been implemented and ‘‘1’’ otherwise. Because each IT variable represents whether a particular plant functionality is supported by information technology, the extent to which a plant uses IT should be reflected in the total number of functionalities (processes and activities) supported by IT. Thus, to construct each dynamic intelligence variable, we summed together the values of the list of underlying dichotomous variables representing the use of information technology within the scope of that dimension of dynamic intelligence in the plant. Because each IT item specifies a separate functionality supported by information technology, different IT items are not interchangeable. Thus the IT items can be considered as formative measures (Diamantopoulos and Winklhofer, 2001, p. 271). An important criterion for assessing the construct validity of the formative measures is their content validity (Diamantopoulos and Winklhofer, 2001; Petter et al., 2007). We chose the measurement items based on our definition of the dynamic intelligence constructs. The measurement items capturing the constructs are well grounded in prior studies. A list of related articles upon which we built the dynamic intelligence measures can be found in Appendix A (Table A.1). Another important criterion for formative items is that they should not exhibit high multicollinearity (Diamantopoulos and Winklhofer, 2001). In our study, each dynamic intelligence item has a Variance Inflation Factor (VIF) below 10, with only two items having a VIF greater than 5. Thus, multicollinearity does not seem to be a serious concern as the literature suggests that VIF below 5 (some suggest below 10) is acceptable (Haan, 2002; Hair et al., 2005). We also performed Exploratory Factor Analysis (EFA) on each of the dynamic intelligence measures. Unlike the reflective items, formative items of the same construct do not have to load on a single factor (Diamantopoulos and Winklhofer, 2001). The EFA results indicate that the IT items measuring each type of dynamic intelligence form logical groups representing plant operational areas, except for a small number of item cross loadings. These results to some extent provide support for the validity of the dynamic intelligence measures. The EFA factor loadings are presented in Appendix A (Tables A.2–A.4). This study uses a number of multi-item scales, each scored along a seven-point scale. The majority of the multi-item scales are evaluated by three different respondents who have relevant domain knowledge for the assigned questions (Table 3). Using 152 Table 4 Descriptive statistics and correlation matrix. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. Percent cross trained (%) Multi-functional employees Percentage on problem solving team (%) Small group problem solving Percentage of engineer degrees (%) Developing Unique practices Willingness to introduce products New products last year Average product life time (year) Volume flexibility (%) Process customization Functional integration Inter-functional design efforts Scrap rate (%) Customer satisfaction Mean Standard deviation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 4.68 19.25 11.87 4.80 418,804,822 284,445.80 659.39 332,004.37 473.62 7.10 56,516.85 2,263.50 3.34 4.54 5.82 5.74 54.55 5.30 31.05 5.12 28.51 4.58 2.36 43.12 7.21 22.84 3.28 5.13 4.89 7.01 5.32 0.94 7.41 6.96 2.81 1,649,040,382 476388.73 918.82 1,970,848.65 590.62 12.75 364,425.99 12,459.46 0.73 0.99 0.42 12.19 32.73 0.61 32.27 0.65 24.78 0.65 1.31 95.53 5.73 24.82 1.24 0.60 0.76 11.46 0.53 0.17 0.03 0.04 0.11 0.01 0.17 0.00 0.10 0.01 0.15 0.17 0.16 0.14 0.35 0.04 0.19 0.23 0.20 0.53 0.07 0.29 0.26 0.08 0.27 0.01 0.25 0.38 0.36 0.15 0.32 0.25 0.20 0.14 0.01 0.18 0.07 0.13 0.13 0.07 0.02 0.12 0.11 0.13 0.07 0.08 0.16 0.11 0.08 0.09 0.17 0.16 0.29 0.03 0.02 0.09 0.14 0.13 0.11 0.11 0.14 0.01 0.12 0.01 0.24 0.08 0.10 0.25 0.00 0.29 0.26 0.09 0.23 0.05 0.18 0.01 0.01 0.05 0.14 0.01 0.11 0.06 0.16 0.13 0.05 0.04 0.03 0.14 0.16 0.19 0.03 0.12 0.12 0.10 0.02 0.16 0.01 0.00 0.15 0.14 0.01 0.11 0.09 0.15 0.09 0.12 0.01 0.07 0.11 0.01 0.09 0.20 0.03 0.07 0.17 0.24 0.05 0.29 0.28 0.11 0.05 0.20 0.22 0.19 0.09 0.22 0.15 0.08 0.06 0.08 0.03 0.06 0.26 0.00 0.16 0.17 0.18 0.02 0.04 0.05 0.00 0.53 0.55 0.86 0.45 0.24 0.08 0.09 0.11 0.03 0.23 0.23 0.09 0.17 0.13 0.07 0.12 0.23 0.03 0.03 0.05 0.30 0.11 0.14 0.18 0.12 0.63 0.06 0.04 0.32 0.07 0.11 0.21 0.08 0.07 0.01 0.02 0.13 0.17 0.05 0.16 0.16 0.11 0.05 0.13 0.29 0.12 0.25 0.06 0.16 0.18 0.45 0.27 0.15 0.25 0.33 0.03 0.20 0.08 0.13 0.05 0.00 0.09 0.06 0.02 0.22 0.07 0.04 0.14 0.09 0.05 0.09 0.20 0.77 0.09 0.07 0.02 0.05 0.00 0.21 0.23 0.12 0.14 0.09 0.05 0.07 0.17 0.10 0.02 0.05 0.21 0.01 0.09 0.18 0.04 0.02 0.00 0.20 0.25 0.05 0.04 0.30 0.23 0.17 0.14 0.10 0.18 0.16 0.23 0.02 0.07 0.17 0.06 0.09 0.15 0.13 0.08 0.27 0.20 0.03 0.30 0.13 0.04 0.06 0.12 0.08 0.06 0.09 0.01 0.04 0.02 0.17 0.20 0.21 0.18 0.10 0.01 0.10 0.09 0.24 0.09 0.01 0.22 0.19 0.07 0.11 0.14 0.12 0.03 0.02 0.13 0.02 0.04 0.18 0.16 0.60 0.36 0.35 0.35 0.53 0.07 0.30 0.06 0.33 0.11 0.06 0.07 0.09 0.02 0.25 0.17 0.14 0.42 0.34 0.23 0.29 0.45 0.00 0.35 0.10 0.20 0.02 0.02 0.07 0.15 0.02 0.22 0.21 0.12 0.39 0.02 0.26 0.47 0.11 0.49 0.03 0.33 0.01 0.09 0.05 0.06 0.01 0.39 0.27 0.01 0.38 Mean Standard deviation 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 54.55 5.30 31.05 5.12 28.51 4.58 2.36 43.12 7.21 22.84 3.28 5.13 4.89 7.01 5.32 32.73 0.61 32.27 0.65 24.78 0.65 1.31 95.53 5.73 24.82 1.24 0.60 0.76 11.46 0.53 0.13 0.06 0.04 0.11 0.04 0.01 0.04 0.03 0.03 0.01 0.10 0.25 0.09 0.11 0.06 0.49 0.03 0.32 0.02 0.04 0.04 0.05 0.05 0.08 0.24 0.22 0.21 0.06 0.18 0.17 0.48 0.09 0.38 0.09 0.01 0.04 0.03 0.11 0.32 0.34 0.09 0.46 0.26 0.05 0.19 0.04 0.01 0.06 0.02 0.13 0.08 0.20 0.14 0.13 0.07 0.39 0.10 0.01 0.17 0.01 0.15 0.36 0.47 0.07 0.56 0.00 0.11 0.00 0.01 0.09 0.09 0.09 0.00 0.03 0.15 0.00 0.07 0.08 0.09 0.05 0.36 0.32 0.08 0.36 0.10 0.04 0.07 0.08 0.10 0.16 0.19 0.01 0.30 0.07 0.08 0.02 0.05 0.09 0.02 0.09 0.11 0.08 0.07 0.02 0.11 0.08 0.06 0.02 0.09 0.08 0.13 0.24 0.11 0.01 0.42 0.12 0.33 0.04 0.27 0.02 p < 0.01 in bold italic. p < 0.05 in bold. p < 0.10 in italic. G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 1. Statistical Process control 2. Process intelligence 3. Integration intelligence 4. Collaboration intelligence 5. Parent firm size ($) 6. Plant sales ($000) 7. Number of employees 8. Facility size 9. Labor productivity 10. Capital productivity 11. Orders processed per month 12. Number of final products configurations 13. Centralization 14. Organizational structure flatness 15. Cooperation 16. Employee suggestions 17. Percent cross trained (%) 18. Multi-functional employees 19. Percentage on problem solving team (%) 20. Small group problem solving 21. Percentage of engineer degrees (%) 22. Developing Unique practices 23. Willingness to introduce products 24. New products last year 25. Average product life time (year) 26. Volume flexibility (%) 27. Process customization 28. Functional integration 29. Inter-functional design efforts 30. Scrap rate (%) 31. Customer satisfaction G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 multiple respondents to evaluate the same scale questions has the advantage of mitigating Common Method Variance (CMV), a widely cited concern for self-report surveys (Podsakoff et al., 2003). In our study, CMV is further mitigated by having different respondents for the items measuring the independent and the dependent variables. To assess inter-rater agreement among multiple respondents, for each scale evaluated by multiple respondents, we computed the Rwg coefficients according to the ratio method (James et al., 1984). The resulting inter-rater agreement coefficients range from 0.78 to 0.93 (Table 3), and are in line with the guidance on inter-rater reliability for operations management research (Rwg > 0.80) suggested by Boyer and Verma (2000), thus indicating acceptable agreement among different respondents. To establish the reliability and validity of the scale measures, we ran a Confirmatory Factor Analysis (CFA) including all of the multiitem scales. The CFA fit indices suggest acceptable model fit (RMSEA = 0.052, x2/DF = 1.69, CFI = 0.091, IFI = 0.090). Except for one factor loading for the construct ‘‘developing unique practices,’’ all factor loadings are greater than 0.50 (Table 3). The lone loading below 0.50 is 0.38, still above the threshold of 0.30 (Hair et al., 2005). We used pair-wise Chi-square (x2) difference tests to examine the discriminant validity of the measurement scales (Bagozzi and Phillips, 1982; Bagozzi et al., 1991). The x2 difference tests are all significant at the 0.01 level, indicating acceptable discriminant validity among the scale measures. We also compared the squared correlation between each pair of variables measured by a multi-item scale and variance explained for that pair of variables. No squared correlation is found to exceed the corresponding values of variance explained (Fornell and Larcker, 1981), again suggesting acceptable discriminant validity. Next, we constructed the averaged scale variables using simple arithmetic averages of the multiple item scores related to a construct (MacDuffie, 1995). The non-scale variables are mostly objective measures such as plant annual sales, plant total number of employees, and plant square footage. These variables are described in Tables 2 and 3. When necessary, we normalized the variables using a natural log transformation. 3.3. Empirical methodology We test our propositions using multiple linear regression models. We performed five sets of regressions. In each set of regressions, SPC and the three dynamic intelligence variables are entered as the predictor variables. For each set of regression models, the dependent variables represent a specific category of the expected outcomes implied by Jaikumar’s framework (i.e., Table 1): operations size, operations productivity, organizational changes, experimentation and development practices, and technology focus. Operations size includes variables measuring plant annual sales, total number of plant employees, and size of the facility. Operations productivity includes variables measuring labor productivity (plant sales per employee), capital productivity (plant sales/facility size), orders processed per month, and number of final product configurations produced. Variables related to organization changes include centralization of decision making, flatness of organization structure, cooperation between employees, employee suggestions, employee training, and problem solving teams. Variables related to experimentation and development practices represent the development of unique practices, willingness to introduce new products, new product configurations introduced last year, and an average product’s lifetime. Finally, variables that capture technology focus are volume flexibility, customization orientation of processes, integration between functions, scrap rate, and customer satisfaction with product and service. 153 We include control variables where warranted. Because the macro-economic environments and the cultural and socioeconomic factors could contribute to cross-country variation in firm size and productivity (Bernard and Jones, 1996; Dewan and Kraemer, 2000; Kumar et al., 1997), for operations size and productivity regressions, we control for the impact of country-tocountry differences by including indicator variables for the nationality of each plant. The base country against which the other country controls can be compared is Austria. We do not include country as a control for the remaining regressions since the dependent variables in these regressions capture within-plant practices, which are mainly influenced by plant specific factors rather than country effects (Naor et al., 2008). We also use indicator variables to control for industry-to-industry differences (Banker et al., 2006). The base industry for comparison is the transportation component industry. Prior literature suggests that larger firms tend to have larger plants (Bernard and Jensen, 2006). Thus, for regressions on operations size, we control for sales of the parent firm. Finally, because prior studies find that organization size and productivity are correlated (Dhawan, 2001; Haltiwanger et al., 1999), in productivity regressions we control for size of the manufacturing plant, measured by the natural log of the total size of the labor force (Banker et al., 2006; Ettlie et al., 1984). Because of missing responses in the data set, we performed Little’s MCAR test using the SPSS 13 missing value analysis procedure to check if the variables are Missing Completely At Random (MCAR). The resulting p-value is insignificant at the 0.10 level, indicating the variables are MCAR. Thus, in each regression we list-wise delete the plants having missing values. After running each regression, we examined relevant diagnostic statistics to rule out potential violation of regression assumptions. We visually checked the distribution of each variable. The variables all seem to have a bell shaped distribution (after transformation for some variables). For each regression, we examined variance inflation factor to rule out multicollinearity problems. The VIFs of the main effects and interaction effects are all below 2. Some of the control variables, mostly country controls, have relatively higher VIFs. However, none of the VIFs is above 5. Again, literature suggests that VIF below 5 is acceptable (Haan, 2002; Hair et al., 2005). We checked various residual plots. The residuals seem to have a bell-shaped distribution and also appear to be constant across the predicted dependent values, ruling out the presence of heteroskedasticity. Thus, the data appear appropriate for regression analysis. 3.4. Results For ease of comparison, we condense our findings into a summary table. A summary of the regression results can be found in Table 5. Detailed regression results are provided in Appendix A (Tables A.5–A.9). 3.4.1. Proposition 1—SPC Overall, we observe weak evidence indicating that SPC is positively associated with operations size and no evidence linking SPC to operations productivity measures. SPC has a marginally positive association with the total number of plant employees (b = 0.126, p = 0.080) and with plant sales when we control for parent firm sales (b = 0.161, p = 0.074). The SPC variable is not significantly related to any of the productivity measures at the 0.10 level. In contrast, we observe fairly strong evidence of the positive effect of SPC on organization change. SPC is significantly related to seven of the eight outcome measures in this category, with all estimated parameters in the expected direction. As expected, SPC is positively associated with practices oriented toward process improvement. SPC is negatively related to centralization of G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 154 Table 5 Summary of regression results. Proposition 1 Statistical process control Proposition 2a Process intelligence Proposition 2b Integration intelligence Proposition 2c Collaboration intelligence Size trends Size (Appendix A, Table A.5) 0.161(0.074)y 0.126(0.080)y Dependent variables ln(Plant Sales) Control for Firm Sales ln(Plant sales) ln(Labor) Control for Firm Sales ln(Labor) ln(Facility Size) Control for Firm Sales ln(Facility size) 0.031(0.005)** 0.040(0.000)*** 0.033(0.026)* 0.037(0.009)** Productivity (Appendix A, Table A.6) 0.072(0.085)y y 0.057(0.067) 0.094(0.026)* Discretionary work practices Organizational change (Appendix A, Table A.7) 0.163(0.004)** 0.192(0.013)* 0.159(0.000)*** 0.031(0.000)*** 0.037(0.000)*** y 0.079(0.003)** 7.429(0.012)* 0.161(0.001)** 7.692(0.005)** 0.341(0.000)*** 0.014(0.018)* 0.031(0.028)* Experimentation and development practices (Appendix A, Table A.8) 0.225(0.000)*** 0.012(0.077)y 0.393(0.000)*** 0.026(0.055)y 0.091(0.000)*** 0.181(0.005)*** Technology keys Technology focus (Appendix A, Table A.9) 0.012(0.076)y 0.233(0.020)* 0.031(0.017)* 0.265(0.000)*** 0.262(0.000)*** 0.535(0.001)** 0.187(0.000)*** 0.009(0.097)y 0.018(0.058) 0.171(0.008)** 0.037(0.007) ** 0.025(0.039)* ln(Labor productivity) ln(Capital productivity) ln(Orders processed per month) ln(Number of final product configurations produced) Centralization Flatness of organization structure Cooperation ln(Employee suggestions) Percentage of workers cross trained Multi-functional employees Percent employees on problem solving teams Small group problem solving Knowledge level sqrt (% of workers with engineering degrees) Developing unique practices Willingness to introduce new products ln(New product configurations introduced last year) ln(Average lifetime of product configuration) ln(Volume flexibility) Customization orientation of process Integration between functions Inter-functional design efforts ln(Scrap rate) Customer satisfaction VIF statistics range from 1.12 to 1.86 for main effects and interaction effects, and 1.99–4.84 for control variables. A block (representing regression coefficients from one independent variable to a group of outcome variables) is shaded if there are three or more regression coefficients that have a p-value smaller than 0.10 within the block. * p < 0.050. ** p < 0.010. *** p < 0.001. y p < 0.100. authority (b = 0.163, p = 0.004), and positively related to flatness of organization structure (b = 0.192, p = 0.013). SPC also has a positive relationship with cooperation (b = 0.159, p = 0.000), employee training (b = 7.429, p = 0.012), and problem solving teams (b = 7.692, p = 0.005; b = 0.341, p = 0.000). We observe mixed evidence with respect to our expectation that SPC would be insignificant or negatively associated with experimentation and development practices. SPC is negatively related to willingness to introduce new products (b = 0.393, p = 0.000) and insignificantly related to two other variables, providing support for Proposition 1. However, SPC also relates positively to developing unique practices (b = 0.225, p = 0.000) and negatively to the average lifetime of a product configuration (b = 0.181, p = 0.005). Although we expected insignificant or negative associations, we again observe mixed yet relatively strong evidence supporting an association between SPC and changes in technology focus. As expected, an increased level of SPC is related to lower level of customization orientation in processes (b = 0.233, p = 0.021). Contrary to Proposition 1, we observe strong associations of SPC with improved scrap rates (b = 0.535, p = 0.001), inter-functional integration (b = 0.265, p = 0.000), inter-functional design efforts (b = 0.262, p = 0.000), and customer satisfaction (b = 0.187, p = 0.000). Thus, SPC appears to support changes in technology focus. 3.4.2. Proposition 2a—process intelligence Process intelligence exhibits positive associations with several operations size variables and two productivity measures. However, several of the parameter estimates go against expectations. Among operations size variables, process intelligence positively relates to the total number of employees (b = 0.031, p = 0.005; b = 0.040, p = 0.000) and facility size (b = 0.033, p = 0.026; b = 0.037, p = 0.009). Thus, the operations size variables appear to contradict expected associations. In contrast, process intelligence appears to be partially consistent with the expectation for operations productivity. Process intelligence exhibits a positive association with orders processed per month (b = 0.057, p = 0.067) and number of final product configurations produced (b = 0.094, p = 0.026) but it is insignificantly related to other productivity measures at the 0.10 level. These findings provide partial support for Proposition 2a. Process intelligence exhibits far fewer associations with the remaining sets of practices. Process intelligence does not have a significant effect on practices related to organizational changes or technology focus. With respect to experimentation and develop- G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 ment practices, process intelligence exhibits mixed evidence including a positive effect on new product configurations introduced last year (b = 0.091, p = 0.000) but a negative effect on willingness to introduce new products (b = 0.026, p = 0.055). In summary, we observe mostly positive associations between process intelligence and operations size, which tends to contradict Proposition 2a. We find evidence supporting a positive link between process intelligence and operations productivity, supporting Proposition 2a. Finally, we do not find any significant relationship between process intelligence and discretionary work practices or changes in technology focus. 3.4.3. Proposition 2b—integration intelligence In contrast to SPC and process intelligence, integration intelligence does not relate to any operations size or productivity measures at the 0.10 level. However, the effects of integration intelligence on variables for discretionary work practices related to organizational changes are mostly consistent with our predictions: higher integration intelligence is related to a lower degree of centralization of decision making (b = 0.031, p = 0.000), high degree of horizontal organization structure (b = 0.037, p = 0.000), and increased multi-functional training (b = 0.014, p = 0.018). The only exception is with the average number of employee suggestions (b = 0.079, p = 0.003). Integration intelligence also exhibits moderately positive relationships with three technology focus variables: volume flexibility (b = 0.012, p = 0.076), customization orientation of processes (b = 0.031, p = 0.017), and customer satisfaction (b = 0.009, p = 0.097). With respect to variables measuring experimentation and development practices or technology focus, integration intelligence only exhibits a weak positive relationship with developing unique practices (b = 0.012, p = 0.077). Overall, there is moderate evidence supporting the hypothesized links between integration intelligence and the outcome variables, particularly discretionary work practices related to organizational change or technology focus. 3.4.4. Proposition 2c—collaboration intelligence While collaboration intelligence is related to only a small number of outcome variables, the directions of the relationships are mostly consistent with predictions. Collaboration intelligence is positively related to capital productivity (b = 0.072, p = 0.085), cooperation (b = 0.018, p = 0.058), average number of employee suggestion (b = 0.171, p = 0.008), small group problem solving (b = 0.031, p = 0.028), integration between functions (b = 0.037, p = 0.007), and customer satisfaction (b = 0.025, p = 0.039). Thus, there is weak support for Proposition P2c. 4. Discussion and conclusion 4.1. Discussion of findings Over the past century, manufacturing process control has changed profoundly due to the adoption of SPC and various forms of information technology. Jaikumar’s theoretical framework of the evolution toward dynamic intelligence brought these two factors together. Yet, to date no one has empirically examined the impact of IT use at the plant level after controlling for developments related to SPC. We attempt to explore the extent to which IT use impacts various aspects of plant operations drawing on Jaikumar’s theoretical framework. As in related studies, we observe substantial impacts due to intelligence gathering via SPC yet limited evidence related to the impact of adopting IT for process, integration, and collaboration intelligence. In Jaikumar’s original model, advances in process control are described in terms of stages of adopting statistical process control, numerically controlled (NC/CNC) systems, flexible manufacturing 155 systems, and computer-integrated manufacturing (CIM). In this study, we broadly represent plant-level IT use with our dimension of process intelligence, and break the movement toward intra-firm and inter-firm IT integration into two separate dimensions representing ERP-based integration intelligence and supplier/ customer collaboration intelligence. We examine the impact of three dimensions of dynamic intelligence – process, integration, and collaboration – on manufacturing plant outcomes representing plant structure, practices, and performance. While it clearly is quite challenging to perform such a comprehensive examination of the IT impact on manufacturing plants, we believe our exploratory efforts in this paper provide a useful starting point. As a foundation for building dynamic intelligence, SPC repeatedly comes up significant in ways that lead to better control and reduced process variability. Compared with each of the three dynamic intelligence variables, SPC tends to be associated more strongly with the outcome variables, particularly with variables measuring organizational changes, experimentation and development practices, and technology focus. These findings are consistent with prior literature that highlights the positive impact of SPC and quality management practices in general. The impact of SPC and quality management practices can be quite broad and transcend multiple organization levels, from employee autonomy and job satisfaction to relationships among functional areas, and to overall organizational performance and productivity (e.g., Flynn et al., 1995; Rungtusanatham, 2001). The three dimensions of dynamic intelligence collectively are related to a broad array of outcome variables, although the effects are not all consistent with our expectation and many of the relationships are somewhat weak. The three dimensions of dynamic intelligence exhibit quite different effects on various groups of outcome variables. The effects of process intelligence are concentrated on operations size and operations productivity. In contrast, integration intelligence and collaboration intelligence mainly impact organizational change and technology focus variables, with integration intelligence exhibiting broader impact on these two groups of outcome variables than collaboration intelligence. These findings are perhaps due to the different objectives of the three dimensions of dynamic intelligence. Integration intelligence and collaboration intelligence are mainly used to gather information and aid decision making, whereas process intelligence to a large extent is used to automate manufacturing and administrative processes. The findings may also occur because IT supporting collaboration intelligence is the newest of the three dimensions of dynamic intelligence, and therefore its impact on plant operations may not yet be as pronounced. Contrary to Jaikumar’s expectation that dynamic intelligence is associated with smaller minimal scale of efficient operations and smaller operations size, we found that process intelligence is associated with larger operations size. IT oriented toward process intelligence is the initial stage of IT-based intelligence and has been used mainly for automating manufacturing processes and streamlining workflow. As such, process intelligence is likely to facilitate process standardization and large scale operations. Another potential reason we did not observe the expected relationship is the wide adoption of a ‘‘plant-within-a-plant’’ structure that allows multiple different production lines housed in the same plant to share resources in order to achieve economies of scale and scope. Due to the constraints of our data, we were not able to examine the operations size at the production line level. Overall, none of the three dimensions of dynamic intelligence appears to have much impact on discretionary work practices related to experimentation and development. Their effects are mixed at best. Perhaps these practices are driven to a greater extent by factors other than IT. Although IT may facilitate innovation practices, its effect may not be discernable unless 156 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 embedded in specific organization contexts. Also, product innovation often takes place at a level higher than manufacturing plants (e.g., business unit level), thus the effects of plant-level IT on experimentation and development practices may not be highly significant. 4.2. Research contributions Our study makes two contributions to the literature. First, our findings help enrich the literature by studying IT impacts on a broad set of organizational outcome variables, whereas prior literature has focused on examining IT impact on a limited set of performance measures such as productivity, quality, and time performance, and generally at a higher level of aggregation (Brynjolfsson, 1993; Brynjolfsson and Hitt, 1996; Black and Lynch, 2001; Banker et al., 2006). Our study systematically investigates the impact of IT use on plant structure, practice, and performance. The scope of the IT application areas and the outcome variables examined, along with the manufacturing plant-level analysis, differentiate our study from the existing literature. Second, we draw on IS literature and an insightful theoretical operations management framework to examine the IT impact on plant operations, whereas prior studies have typically taken a theoretical lens borrowed from management or economics theories. Our findings provide new insights about the impact of IT on plant operations, as Jaikumar’s model did not envision the impacts we find concerning integration intelligence built around enterprise resource planning systems, and collaboration intelligence related to Internet-based purchasing, supply chain, and marketing activities. Our results demonstrate that the three different dimensions of dynamic intelligence gathering appear to impact different sets of variables related to plant structure, practices, and performance. Yet, the findings also suggest that SPC-related intelligence perhaps has had an even stronger effect upon discretionary work practices than has IT-based dynamic intelligence. Thus, future studies probably should make sure to account for both. Our study also provides useful managerial insights about using IT to achieve desired organizational outcomes. Because building ITbased competences to support manufacturing operations is an ongoing process, managers must understand the contribution of each dimension of IT toward specific organizational outcomes in order to make the right IT investment decisions. The specificity of our IT measures disentangles the effect of each dimension of IT use upon a variety of organizational outcomes and performance, thus informing managerial decisions about IT investments in manufacturing plants. 4.3. Limitations and future research As an exploratory study, this paper exhibits certain limitations. First, as a broad empirical analysis that includes a large number of variables, it is difficult to disentangle the extent to which individual variables are endogenous or exogenous in each of the regressions. To the best of our ability, we attempt to use reasonable modeling approaches to limit the extent to which endogeneity problems might crop up, while maximizing the ability to detect the impacts of technologies supporting dynamic intelligence. Second, our measures of dynamic intelligence variables are adapted from the existing HPM database and capture whether a plant adopted information technology to support specific plant processes. While this approach is consistent with the existing literature (Bardhan et al., 2007b), it does not measure the extent to which each IT application supports certain plant processes. Finally, it is difficult to appropriately control for potentially confounding factors in such models. Because plant size and information technology adoption are often very different in different contexts, it leads to issues of how to model these relationships in order to obtain appropriate parameter estimates for the dynamic intelligence variables. Also, while using a multi-country sample improves the generalizability of the research findings, country differences could potentially confound the research results. During the research design stage, the research team ensured the translation accuracy to eliminate country differences due to misinterpretation of survey questions because of inaccurate translation. We also controlled for country effects in the regression analysis. Overall, the consistency of parameter estimates across our regressions leads us to have confidence in the findings presented. We view our effort as a promising first step in examining the extent to which the implications of Jaikumar’s model hold for plant structure, practices, and performance. Our findings provide limited support for portions of the model. Future research should develop more refined measures of dynamic intelligence variables and retest the research propositions. It would also be very interesting if researchers having time-series panel data on these inputs and outcomes could perform a related analysis. Another direction for future research is to examine the extent to which process, integration, and collaboration intelligence drive performance in other production domains, particularly service operations. Because service operations have undergone similar IT-based transformations, we expect that Jaikumar’s model may apply to service industries. In closing, we hope the present paper stimulates researcher interest in further examining the impact of IT use on plant operations, as there are perhaps many interesting findings yet to be discovered. Acknowledgements We gratefully acknowledge the helpful feedback from an Editor, an Associate Editor, and two anonymous reviewers, as well as three anonymous reviewers for the 2008 Academy of Management conference. Appendix A See Tables A.1–A.9. Table A.1 Dynamic intelligence measures. Please check application areas supported by software at the plant: Master production schedule Rough cut capacity planning Material requirements planning Capacity requirements planning Finite capacity scheduling Shop floor control Inventory management Purchasing Forecasting Process intelligence Integration intelligence Check if supported by software Check if integrated with ERP References 2 2 1, 2 2 2 1 1 2, 6, 10 6, 10 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 157 Table A.1 (Continued ) Process intelligence Integration intelligence References Demand planning Order management Catalog and price management Distribution management Transportation management Service management (after the sale) Design (CAD, CAE) Product data management General accounting Cost accounting Budgeting Human resource management Maintenance management Quality documentation management Quality control and improvement Performance measurement system Project management Workflow management Business intelligence (query and report, OLAP, data mining) Simulation and optimization of production and logistics planning Groupware tools (e.g., Lotus Notes) 7 6, 10 Collaboration Intelligence References For which of the following purchasing and supply activities does your plant use the Internet? Scanning the marketplace for identification of potential sources Receiving and comparing suppliers’ offers Providing dynamic pricing (negotiations and sellers’ bids) for purchased items Transmitting orders to suppliers Tracking/tracing supply orders Real-time integrated scheduling, shipping and warehouse management across the supplier network Supporting collaborative product design/improvement with suppliers Supporting collaborative process and technology design/improvement with suppliers 4, 6 10 4 4 2, 4 2, 4 3, 4 3, 4 6, 10 7, 10 1, 8 2, 6 6 1 1 6 8 5 10 6,7 For which of the following marketing and sales activities does your plant use the Internet? Presenting information about your plant Presenting your sales products catalog Providing on-line customized customer service, where customers can configure the product within the constraints stated by the plant Providing fixed pricing offers to potential buyers Providing dynamic pricing offers to potential buyers On-line order entry Customers can check delivery status of their orders 9, 10 2, 10 2, 10 (1) Boyer et al. (1996); (2) Banker et al. (2006); (3) Banker et al. (2006b); (4) Huang et al. (2008); (5) Nissen (2002); (6) Powell and Dent-Micallef (1997); (7) Rai et al. (2006); (8) Rangaswamy and Lilien (1997); (9) Stegmann et al. (2006); (10) Subramani (2004). Table A.2 EFA with process intelligence items. Master production schedule Material requirements planning Shop floor control Inventory management Purchasing Order management Catalog and price management General accounting Cost accounting Budgeting Human resource management Maintenance management Quality documentation management Quality control and improvement Performance measurement system Workflow management Forecasting Demand planning Business intelligence (query and report, OLAP, data mining) Simulation and optimization of production and logistics planning Distribution management Transportation management Service management (after the sale) Product configuration Manufacturing and administration Quality management Forecasting and planning Logistics and customer service Capacity management Product development Other application 0.7370 0.8967 0.5355 0.9417 0.9027 0.8642 0.6456 0.9401 0.946 0.6792 0.4522 0.0888 0.1241 0.1233 0.1108 0.0132 0.4166 0.5044 0.2756 0.0093 0.0025 0.308 0.0336 0.0054 0.0332 0.0995 0.0903 0.1087 0.3557 0.4214 0.7246 0.7711 0.848 0.4008 0.5282 0.0834 0.0399 0.2459 0.1452 0.1804 0.3975 0.1634 0.1682 0.0752 0.3222 0.032 0.054 0.1666 0.1404 0.2502 0.138 0.1995 0.593 0.059 0.8105 0.6336 0.4739 0.1772 0.1168 0.2436 0.1269 0.1061 0.1251 0.1397 0.0172 0.0127 0.0515 0.092 0.0121 0.1014 0.1774 0.0576 0.5531 0.1551 0.1489 0.1071 0.3363 0.2196 0.0841 0.1323 0.1953 0.165 0.0297 0.0671 0.0211 0.0802 0.0583 0.0555 0.1441 0.0152 0.247 0.2623 0.0933 0.1768 0.066 0.0386 0.1194 0.1236 0.116 0.1673 0.1639 0.2533 0.0228 0.1457 0.2659 0.2441 0.0445 0.2203 0.0312 0.3438 0.175 0.1178 0.0427 0.108 0.1588 0.0574 0.1483 0.0782 0.0215 0.2099 0.2279 0.0454 0.0876 0.2769 0.3822 0.2238 0.2531 0.0484 0.078 0.311 0.0264 0.3743 0.6405 0.1017 0.342 0.3515 0.1016 0.0361 0.0919 0.0959 0.1219 0.0406 0.076 0.0584 0.1749 0.4093 0.1258 0.0664 0.0729 0.0489 0.5476 0.1882 0.1844 0.2883 0.0662 0.2603 0.0349 0.0016 0.4779 0.0675 0.238 0.1776 0.0649 0.389 0.5529 0.7424 0.7620 0.6212 158 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 Table A.2 (Continued ) Rough cut capacity planning Capacity requirements planning Finite capacity scheduling Design (CAD, CAE) Product data management Project management Groupware tools (e.g., Lotus Notes) Manufacturing and administration Quality management 0.5542 0.5603 0.3425 0.3445 0.5738 0.0066 0.0157 0.1583 0.1814 0.0145 0.1109 0.1863 0.4511 0.1902 Forecasting and planning Logistics and customer service 0.1131 0.0108 0.3857 0.1504 0.0478 0.4108 0.0163 0.0166 0.1457 0.154 0.1219 0.3081 0.123 0.1349 Capacity management Product development Other application 0.7024 0.6477 0.7127 0.011 0.1322 0.2649 0.0943 0.2291 0.0045 0.0815 0.7274 0.3580 0.5584 0.1816 0.0508 0.1645 0.1172 0.123 0.0638 0.0888 0.7872 Tetrachoric correlation matrix was used as the input matrix; seven factors emerged from the EFA using the process intelligence items. Six of the factors represent different manufacturing plant activities as shown in the title of each column. The seventh factor consists of a single item measuring e-mail groupware, which is a broader IT application. Table A.3 EFA with integration intelligence items. Master production schedule Rough cut capacity planning Material requirements planning Capacity requirements planning Finite capacity scheduling Shop floor control Inventory management Purchasing Forecasting Demand planning Order management Catalog and price management Distribution management Transportation management Service management (after the sale) Product data management General accounting Cost accounting Budgeting Human resource management Business intelligence (query and report, OLAP, data mining) Simulation and optimization of production and logistics planning Design (CAD, CAE) Project management Workflow management Groupware tools (e.g., Lotus Notes) Maintenance management Quality documentation management Quality control and improvement Performance measurement system Enterprise resource planning Product development and quality management 0.8176 0.695 0.8644 0.7434 0.644 0.8304 0.8337 0.8018 0.8319 0.7623 0.8593 0.7233 0.6258 0.5471 0.5389 0.7133 0.7283 0.7707 0.5772 0.3501 0.5793 0.6512 0.2636 0.2329 0.3121 0.4194 0.2123 0.2773 0.4057 0.6236 0.2445 0.3847 0.3608 0.402 0.2743 0.1312 0.4457 0.4249 0.0162 0.1777 0.3493 0.0901 0.3769 0.4204 0.5357 0.3257 0.4844 0.4707 0.3301 0.7409 0.3754 0.1611 0.7379 0.7591 0.6924 0.5547 0.7060 0.6612 0.5939 0.2698 Tetrachoric correlation matrix was used as the input matrix; two factors emerged from the EFA using the integration intelligence items. Compared to process intelligence, integration intelligence normally builds on enterprise resource planning system (ERP). ERP tends to be installed as a software package that supports many different operational activities within a plant. This may explain why only two factors emerged from the integration intelligence items. Table A.4 EFA with collaboration intelligence items. Customer facing Presenting your sales products catalog Providing on-line customized customer service, where customers can configure the product within the constraints stated by the plant Providing fixed pricing offers to potential buyers Providing dynamic pricing offers to potential buyers On-line order entry Customers can check delivery status of their orders Scanning the marketplace for identification of potential sources Receiving and comparing suppliers’ offers Providing dynamic pricing (negotiations and sellers’ bids) for purchased items Supporting collaborative product design/improvement with suppliers Supporting collaborative process and technology design/improvement with suppliers Presenting information about your plant Transmitting orders to suppliers Tracking/tracing supply orders Real-time integrated scheduling, shipping and warehouse management across the supplier network Tetrachoric correlation matrix was used as the input matrix. Sourcing and supplier collaboration Logistics management 0.6098 0.8768 0.4181 0.1553 0.4642 0.0599 0.7399 0.7689 0.8649 0.8186 0.2028 0.1072 0.2987 0.4213 0.3324 0.2575 0.2096 0.0987 0.1978 0.2349 0.1724 0.0042 0.1073 0.6968 0.8629 0.5213 0.6400 0.7587 0.5272 0.0962 0.068 0.2572 0.2738 0.0615 0.1109 0.1223 0.0287 0.0682 0.2982 0.2679 0.1427 0.392 0.7405 0.8410 0.6457 G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 159 Table A.5 Regression results for operations size. ln(Plant sales) ln(Plant sales) ** Constant Statistical process control Process intelligence Integration intelligence Collaboration intelligence ln(Parent firm sales) ln(Number of employees) ln(Facility size) Electronics Machinery Finland Germany Italy Korea Japan Sweden USA 3.130(0.001) 0.161(0.074)y 0.011(0.392) 0.008(0.545) 0.037(0.186) 0.072(0.014)* 1.010(0.000)*** 0.027(0.807) 0.033(0.864) 0.119(0.566) 0.870(0.008)** 0.566(0.070)y 0.207(0.664) – 1.721(0.000)*** 2.446(0.000)*** 0.603(0.300) R2 Adjusted R2 F (p-Value) N ln(Labor) *** 4.833(0.000) 0.011(0.934) 0.003(0.867) 0.014(0.482) 0.045(0.307) – 0.799(0.000)*** 0.077(0.645) 0.302(0.313) 0.030(0.925) 0.577(0.234) 0.399(0.411) 0.408(0.429) – 1.682(0.004)** 2.745(0.000)*** 0.984(0.127) 0.745 0.713 23.203(0.000) 134 ln(Labor) ** 3.917(0.000) 0.097(0.198) 0.031(0.005)** 0.002(0.875) 0.008(0.746) 0.104(0.000)*** – – 0.050(0.753) 0.074(0.668) 0.116(0.673) 0.222(0.398) 1.517(0.000)*** 0.878(0.002)** 0.650(0.177) 0.711(0.059) 0.808(0.073) 0.505 0.458 10.652(0.000) 160 0.413 0.353 6.835(0.000) 150 ln(Facility size) *** *** 4.238(0.000) 0.126(0.080)y 0.040(0.000)*** 0.002(0.836) 0.003(0.885) – – – 0.051(0.738) 0.012(0.943) 0.007(0.979) 0.244(0.344) 0.288(0.293) 1.050(0.000)*** 1.538(0.000)*** 0.292(0.305) 0.634(0.022)* 8.228(0.000) 0.010(0.922) 0.033(0.026)* 0.005(0.711) 0.008(0.792) 0.110(0.001)** – – 0.437(0.041)* 0.067(0.774) 0.204(0.578) 0.324(0.356) 1.293(0.014)* 1.907(0.000)** 0.642(0.194) 1.628(0.008)** 0.307 0.254 5.754(0.000) 182 0.615 0.576 15.838(0.000) 142 ln(Facility size) 8.470(0.000)*** 0.048(0.617) 0.037(0.009)** 0.002(0.877) 0.010(0.744) – – – 0.391(0.061) y 0.138(0.535) 0.075(0.828) 0.440(0.197) 0.213(0.557) – 2.209(0.000)*** 0.410(0.275) 2.927(0.000)*** 0.537 0.501 15.244(0.000) 170 Note: Korean plants were excluded above due to too many missing values for plant size data. *** p < 0.001. ** p < 0.010. * p < 0.050. y p < 0.100. Table A.6 Regression results for operations productivity. ln(Labor productivity) Constant Statistical process control Process intelligence Integration intelligence Collaboration intelligence ln(Parent firm sales) ln(Number of employees) Electronics Machinery Finland Germany Italy Korea Japan Sweden USA 4.956 0.034 0.007 0.004 0.053 – – 0.354 0.149 0.668 0.296 0.416 1.704 0.378 2.628 0.919 R2 Adjusted R2 F (p-Value) N *** ** * y ln(Capital productivity) (0.000)*** (0.778) (0.683) (0.829) (0.177) (0.172) (0.593) (0.134) (0.496) (0.360) (0.000)*** (0.484) (0.000)*** (0.051)y 0.361 0.331 7.332 (0.000) 182 0.095 0.112 0.005 0.010 0.072 – – 0.140 0.279 0.394 0.080 0.036 0.667 2.791 2.614 1.169 ln(Orders processed per month) (0.924) (0.428) (0.791) (0.598) (0.085)y 3.857 0.175 0.057 0.009 0.050 – 0.166 0.640 1.782 0.355 0.869 0.247 2.335 1.281 0.743 0.833 (0.631) (0.377) (0.449) (0.874) (0.946) (0.225) (0.000)*** (0.000)*** (0.039)* 0.418 0.374 9.518 (0.000) 158 (0.018)* (0.382) (0.067)y (0.759) (0.467) ln(Number of final product configurations) 5.158 0.353 0.094 0.001 0.059 – 0.247 0.683 0.617 0.237 3.378 0.067 0.283 1.273 0.972 0.676 (0.443) (0.139) (0.000)*** (0.610) (0.219) (0.744) (0.004)** (0.305) (0.341) (0.294) 0.313 0.244 4.53 (0.000) 153 (0.019)* (0.177) (0.026)* (0.970) (0.497) (0.412) (0.222) (0.314) (0.802) (0.000) (0.946) (0.851) (0.219) (0.339) (0.522) 0.258 0.177 3.161 (0.000) 141 p < 0.001. p < 0.010. p < 0.050. p < 0.100. Table A.7 Regression results for discretionary work practices—organizational change. Centralization Constant Statistical process control Process intelligence Integration intelligence Collaboration intelligence Electronics Cooperation Flatness of organization structure ln(Employee suggestions) Percent cross trained 4.500 (0.000)*** 0.163 (0.004) 3.251 (0.000)*** 0.192 (0.013)* 4.948 (0.000)*** 0.833 (0.465) 0.159 (0.000)*** 0.037 (0.861) 0.003 (0.660) 0.003 (0.719) 0.002 (0.671) *** *** 0.031 (0.000) 0.037 (0.000) 0.018 (0.308) 0.018 (0.453) 0.105 (0.383) 0.007 (0.967) 0.004 (0.265) 0.018 (0.058)y 0.028 (0.661) 0.009 (0.744) 0.079 (0.003) ** 16.575 (0.312) 7.429 (0.012)* 0.143 (0.694) Small group Percentage of problem employees on problem solving teams solving Multifunctional employees 4.165 (0.000)*** 16.025 (0.280) 0.161 (0.001)** 7.692 (0.005)** 0.005 (0.337) * 0.347 (0.286) 0.003 (0.574) 0.001 (0.904) 0.223 (0.575) 0.014 (0.018) 0.133 (0.706) 0.171 (0.008)** 0.389 (0.690) 0.012 (0.424) 0.765 (0.388) 0.103 (0.297) 0.988 (0.860) 0.445 (0.292) 0.882 (0.888) 3.445 (0.000)*** 0.341 (0.000)*** 0.031 (0.028)* 0.028 (0.771) G.R. Heim, D.X. Peng / Journal of Operations Management 28 (2010) 144–162 160 Table A.7 (Continued ) Centralization Flatness of organization structure Cooperation ln(Employee suggestions) Percent cross trained Machinery 0.162 (0.210) 0.045 (0.796) 0.045 (0.514) 0.644 (0.176) R2 Adjusted R2 F (p-Value) N 0.119 0.094 4.656 (0.000) 212 0.097 0.071 3.685 (0.002) 212 0.175 0.151 7.304 (0.000) 212 0.101 0.062 2.560 (0.022) 142 Small group Percentage of problem employees on problem solving teams solving Multifunctional employees 2.604 (0.701) 0.129 (0.225) 7.722 (0.203) 0.059 (0.560) 0.059 0.105 0.023 0.079 1.648 (0.137) 4.037 (0.001) 163 212 0.064 0.033 2.075 (0.058) 0.106 0.283 0.262 13.550 (0.000) 212 * p < 0.050. p < 0.010. *** p < 0.001. y p < 0.100. ** Table A.8 Regression results for discretionary work practices—experimentation and development. Knowledge level sqrt (percent engineering degrees) Constant Statistical process control Process intelligence Integration intelligence Collaboration intelligence Electronics Machinery R2 Adjusted R2 F (p-Value) N * ** *** y 6.379 0.157 0.017 0.011 0.060 0.143 0.243 (0.000)*** (0.447) (0.514) (0.689) (0.373) (0.749) (0.612) Developing unique practices 3.069 0.225 0.007 0.012 0.017 0.090 0.228 0.018 0.016 0.525 (0.789) 180 Willingness to introduce new products (0.000)*** (0.000)*** (0.264) (0.077)y (0.301) (0.400) (0.049)* 4.758 0.393 0.026 0.006 0.010 0.011 0.384 0.129 0.104 5.106 (0.000) 212 ln(New product configurations last year) (0.000)*** (0.000)*** (0.055)y (0.704) (0.779) (0.962) (0.121) 0.488 0.019 0.091 0.015 0.014 0.138 0.375 0.097 0.068 3.303 (0.004) 190 (0.637) (0.917) (0.000)*** (0.542) (0.814) (0.731) (0.380) 0.114 0.079 3.230 (0.005) 157 ln(Average lifetime of product configuration) 2.397 0.181 0.011 0.006 0.028 0.161 0.123 (0.000)*** (0.005)** (0.203) (0.472) (0.184) (0.248) (0.409) 0.116 0.083 3.504 (0.003) 166 p < 0.050. p < 0.010. p < 0.001. p < 0.100. Table A.9 Regression results for technology focus. ln(Volume flexibility) Constant Statistical process control Process intelligence Integration intelligence Collaboration intelligence Electronics Machinery R2 Adjusted R2 F (p-Value) N * ** *** y 0.911 0.074 0.003 0.011 0.006 0.036 0.095 (0.001)** (0.108) (0.598) (0.097)y (0.689) (0.714) (0.383) 0.044 0.013 1.401 (0.216) 188 Customization orientation of process 4.046 0.233 0.015 0.031 0.044 0.924 0.662 Integration between functions (0.000)*** (0.020)* (0.221) (0.017)* (0.142) (0.000)*** (0.004)** 0.175 0.148 6.312 (0.000) 184 3.625 0.265 0.005 0.006 0.037 0.066 0.132 (0.000)*** (0.000)*** (0.362) (0.295) (0.007)** (0.466) (0.175) 0.217 0.194 9.458 (0.000) 211 Inter-functional design efforts 3.420 0.262 0.010 0.003 0.000 0.142 0.126 (0.000)*** (0.000)*** (0.161) (0.718) (0.997) (0.238) (0.331) 0.126 0.101 4.954 (0.000) 212 ln(Scrap rate) 3.082 0.535 0.029 0.002 0.062 0.164 0.769 Customer satisfaction (0.001)** (0.001)** (0.123) (0.907) (0.226) (0.614) (0.032)** 0.098 0.068 3.249 (0.005) 165 4.196 0.187 0.000 0.009 0.025 0.060 0.103 (0.000)*** (0.000)*** (0.998) (0.097)y (0.039)* (0.460) (0.241) 0.145 0.120 5.801 (0.000) 212 p < 0.050. p < 0.010. p < 0.001. p < 0.100. 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