THE RISK PREFERENCES OF ENTREPRENEURIAL FIRMS: MEASUREMENT ISSUES AND BEHAVIOUR Gregory J Brush University of Auckland Track: Entrepreneurship, Innovation, and Large and Small Business Marketing Abstract An understanding of the risk preferences of entrepreneurial firms is important, as suboptimal risk behaviour in the form of a strong proclivity to take excessive business risks, or an acute reluctance to assume business risk, can lead to poorer performance. There is, however, considerable debate in the literature and business press on the risk preferences of entrepreneurs. While traditional definitions of entrepreneurship generally highlight entrepreneurs’ propensity to take risks, there is also a stream of work that indicates they are more moderate risk takers. One reason for the inconsistencies in the findings of entrepreneurial risk propensity is that despite its importance, the scales available to measure the risk propensity construct are generally poor, often involving artificial, trivial and irrelevant settings, and incompletely specified consequences and confusing switches of roles. This article describes the development of a unidimensional five-item scale for assessing a firm’s general risk propensity, and its application to 238 Australian small high-technology entrepreneurial businesses. The findings indicate these entrepreneurial firms are predominantly risk averse and take a cautious and measured approach to risk. Introduction There is a high level of agreement among researchers that executive decision makers, along with their individual characteristics and styles, influence their organisation’s strategic decision-making processes (Calori, Johnson and Sarnin 1994; Hambrick and Finkelstein 1987; Hitt and Tyler 1991). Significantly, risk attitudes and behaviour are crucial variables in managerial decision-making (March and Shapira 1987), and it has been argued that agency relationships (Harris and Raviv 1979), intentions to adopt technological innovations (Tabak and Barr 1999) and firm performance (Walls and Dyer 1996) will vary with the risk preference of the firm. Historically, much of the management literature has characterised entrepreneurs as risk-takers (Kogan and Wallach 1964; Miller 1983; Palich and Bagby 1995), although conversely entrepreneurs have also been described as risk avoiders (Webster 1976). Miller (1983) observes that an important strength of many small firms is an entrepreneurial mindset, which engenders innovation, proactiveness, and risk taking. However, Brockhaus (1982), in his review of entrepreneurial risk taking literature, found entrepreneurs were only moderate risk takers; and overoptimistic perceptions of the risk involved in new ventures may have led external observers to perceive entrepreneurs have a high propensity to take risks (Cooper, Woo and Dunkelberg 1988). The importance of understanding entrepreneurial firm risk preferences is twofold. First, understanding entrepreneurial risk behaviour is a contribution to furthering our understanding of the psychological profile of the entrepreneur and their firm, and the development of a general theory of entrepreneurship, an important endeavour as ANZMAC 2003 Conference Proceedings Adelaide 1-3 December 2003 764 despite a long history of research activity no generally accepted theory of entrepreneurship has emerged (Bull and Willard 1993). Second, entrepreneurs have often been found to show evidence of substantial sub-optimal risk management and framing behaviour (e.g., Cooper, Woo and Dunkelberg 1988; Palich and Bagby 1995), which may negatively affect firm performance. Through better understanding entrepreneurs risk behaviour, the need for programs which attempt to educate entrepreneurs and modify the emotional and cognitive processes associated with their risk management behaviours (cf. Sulsky and Day 1992) can be determined. Despite risk propensity being often discussed in the business literature, scales used to measure the construct are commonly weak. Various indirect measures, often measuring personal risk dimensions, have been frequently used to establish managerial or business risk propensity. However, given evidence that individuals may not exhibit stable risk propensities across risk domains (e.g., personal versus business risks, Sitken and Pablo 1992; Walls and Dyer 1996), inferring business risk propensity from personal risk preferences may be ill-advised. Other, more direct, measures have also been used, although these direct measures are in settings often artificial, trivial and irrelevant to business managers. Given the importance of risk propensity in marketing and entrepreneurial research, a valid and reliable business risk propensity measure is needed. The present study is designed to address this need, with the objectives being to develop a simple, parsimonious and easily applied multiple-item scale to measure firm’s general business risk propensity, and the application of this scale to a sample of entrepreneurial firms to gain an understanding of their risk behaviour. The various sections of this paper describe the development and application of this scale. First, the conceptualisation of business risk propensity is considered. Second, previous measures are overviewed. The scale development process is then discussed, and an assessment of the psychometric properties of the scale is presented. The paper concludes with the results of the investigation into entrepreneurial firm risk propensity, a brief summary of the developed scale and its uses, and opportunities for further work in this area. The Conceptualisation of Risk Propensity Risk propensity describes an individual’s attitude towards risk across situations, and has been considered to encompass the traditional subjective expected utility view of risk seeking and risk aversion (risk preference), and affective dimensions of behaviour (Lewin and Stephens 1994). Researchers generally consider that an individual’s risk propensity can be classified along a continuum anchored between being completely risk-averse and risk-seeking (Westbrook 1996). Individuals with low risk propensities attempt to minimise uncertainty, and avoid high-stake problems. A risk neutral individual is indifferent to adventure or security, whereas a risk-loving (or seeking) individual is willing to make investments in risky ventures and has a preference for situations, with equivalent expected value, that have potentially higher payoffs with increased risk as opposed to certainty in outcomes (Varian 1987). Lewin and Stephens (1994) consider individuals with high-risk propensity like to - and indeed enjoy - taking risks with high stakes; they become restless in stable, certain situations. Although there is some debate in the risk literature on whether risk propensity is a stable dispositional trait or an emergent property of the decision-maker, traditional conceptualisations of risk propensity have most commonly considered the trait as a Entrepreneurship, Innovation and Large and Small Business Marketing Track 765 stable dispositional attribute (e.g., Kogan and Wallach 1964; Weber and Milliman 1997), and there is support for the hypothesis that the effect of situational variables on choice may be the result of changes in risk perception (Weber and Milliman 1997). Individuals can, however, differ substantially in their orientation towards different kinds of risk (e.g., physical versus financial risks; personal versus business risks; see MacCrimmon and Wehrung 1986; Schoemaker 1990); although past research suggests that individuals exhibit stable risk propensities within relatively broad risk domains (see Sitkin and Pablo 1992 for a review). Previous Measurement of Risk Propensity To measure risk propensity researchers have tended to use a lottery technique in which subjects are asked to choose between risky alternatives and their certainty equivalents (e.g., Kogan and Wallach 1964; Oliver and Weitz 1991), but such measures can have validity and reliability problems. For example, although it has been used in a later study by Brockhaus (1980) to test the risk taking propensity of entrepreneurs, the situations included in the Kogan and Wallach (1964) measure have incompletely specified consequences and involved confusing switches of roles. Other risk propensity scales are often trivial and student-specific, and have used situations that seem unrelated to actual managerial risk-taking. For example, Sitkin and Weingart (1995) developed an original five-item measure for business risk propensity that involved providing a case scenario, based on NASA’s decision to launch the space shuttle Challenger, in the guise of a decision about whether a race car team should compete in the last race of the season. Cummings, Harnett and Stevens (1971) derive a risk measure from managers’ responses to questions about whether they would like to race cars or jump off high diving boards, and Farley (1987) used 20 yes-no questions such as “I am high in energy” and “Thinking of investing in stocks does not excite me” to develop a risk measure. Risk measures based on risky choices made in a theoretically sound expected utility framework have also been used in several studies of managers’ risk taking behaviour (e.g., Laughhunn, Payne and Crum 1980; Wehrung 1989). However, this approach utilises hypothetical choices, so the understanding and motivation underlying the responses is sometimes questionable (MacCrimmon and Wehrung 1990). Given evidence that indicates risk preference has at times shown little within-subject consistency across domains and situations (MacCrimmon and Wehrung 1986; Schoemaker 1990), context specific risk preference measurement scales may be preferred to those overviewed above. For example, Gomez-Mejia and Balkin (1989), in their study of employee compensation, used a willingness to take risks scale based on original research by Slovic (1972) and later adaptations by Gupta and Govindarajan (1984). The scale, which had a coefficient alpha of 0.91, included four items which measured: (1) the willingness to accept job risk; (2) preference for a low risk/high security job as opposed to a high risk/high rewards job; (3) preference for a job with known problems rather than a new job with problems that are unknown, even if this job offers greater rewards; and (4) the propensity to avoid risk on a job at all costs. Palich and Bagby (1995) have subsequently used this scale to compare risk propensity for entrepreneurs and non-entrepreneurs. Jambulingam and Nevin (1999), in their study of franchise channel relations, measured business risk taking as a composite construct reflecting whether the business strategy is characterised by a ANZMAC 2003 Conference Proceedings Adelaide 1-3 December 2003 766 strong tendency to undertake high-risk projects, the extent to which the manager is a gambler and believes it is impossible to plan for the future, the importance of undertaking research before making a risky decision, and the propensity to only take risks in areas the business knows well. This scale, however, performed poorly with low item-to-total correlations and a coefficient alpha of only 0.58. In summary, the majority of risk propensity scales are weak, and although Slovic (1972), Gupta and Govindarajan (1984), and Jambulingam and Nevin (1999) have made commendable attempts to clarify the construct, their scales also suffer from flaws. Jambulingam and Nevin (1999) include an item that measures managers’ tendency to gamble, which may tap into personal risk-taking behaviour, and arguably fails to reflect the complex nature of risk preference in a business context. Significantly, MacCrimmon and Wehrung (1985) showed their subjects as more willing to take risks with their firm's resources than their own. The Slovic (1972) and Gupta and Govindarajan (1984) scale measures the propensity to avoid risk at all costs; however, risk propensity involves a risk-return trade-off not an absolute determination. This study attempts to address the problems and limitations of previous risk propensity scales. Discussion of the scale development process follows. The Scale Development Process In order to develop a valid and reliable business risk propensity measure, a three-stage process was followed: (1) an extensive survey of the literature was undertaken to identify the domain of the construct and locate appropriate scales that had been validated in previous studies; (2) an initial pool of items was generated from the exploratory search and provided to seventeen small business managers who discussed their actual business risk behaviour and assessed the face and content validity of the items, and (3) a determination was made of the items considered to adequately represent the general business risk propensity domain. These items were provided to a sample of 1100 small business managers operating in high technology industries to assess the psychometric properties of the scale, and decide the final composition of the measurement scale. Development of the initial pool of items closely reflected the domain of the measure that considers the risk-reward trade-off decision as being a primary determinant of risk-propensity (e.g., Slovic 1972; Varian 1987); and includes items reflecting behaviours that have been found to be important characteristics of risk averters and risk takers (MacCrimmon and Wehrung 1986). This conceptualization of risk propensity accords with the psychological literature that suggests that attitudes, values and personality variables should be operationalised within a limited domain in order to be related to specific behaviour (Ajzen and Fishbein 1980), and reflects findings that even with the same assessment method, individuals have not shown themselves as consistently risk seeking or risk avoiding across different domains and situations, both in laboratory studies and in managerial contexts (MacCrimmon and Wehrung 1986; Payne, Laughhunn and Crum 1980; Schoemaker 1990). The initial pool of items, provided to managers in random order, included the following: • • • Your firm prefers certainty in its business relationships, even if this could involve a lower level of business performance (RISK1) Research is important before making a risky decision (RISK2) Your business only takes risks in areas it knows well (RISK3) Entrepreneurship, Innovation and Large and Small Business Marketing Track 767 • • • • • Your firm approaches business transactions with a high degree of caution (RISK4) Your firm’s business strategy is characterized by a strong tendency to undertake high-risk projects (R) (RISK5) Your firm prefers to participate in high-risk high pay-off ventures rather than low-risk low pay-off ventures (R) (RISK6) Your firm could be considered risk averse in its business dealings (RISK7) Your firm will undertake high-risk ventures if expected outcomes are satisfactory given the risk involved (R) (RISK8) Managers were asked to provide responses to these questions that reflected their firm’s general attitude towards business risk, without reference to any specific business relationship or project. Items were measured on a seven-point Likert-type scale bounded by strongly disagree and strongly agree. Despite developing items that reflected real choices that were meaningful and understandable to the business manager, constructing a consistent and reliable risk propensity measure proved somewhat difficult. For example, some managers indicated that although their business was risk averse with respect to business relationship risks, the firm was willing to take considerable risks in the high-technology projects they undertook. A number of apparent inconsistencies in risk behaviour also became evident, and some managers indicated a limited understanding of the general concept of risk adversity. For example, some managers indicated that while they were willing to take high business risks, at the same time they considered they were cautious in their business practices. Others indicated their preference for certainty, but at the same time a willingness to take risks. One possible explanation for these findings may be that risk preference is not independent from the perceived ability of the decision maker to control the risk exposure, an observation previously made of entrepreneurs by Brockhaus and Horwitz (1986). On the basis of the feedback from stage two it was decided in stage three to retain a single item that reflected the entrepreneurial firm’s risk propensity in its business relationships (RISK1) and project selection behaviour (RISK5), and supplement these two items with three general risk items that have been found to be important characteristics of risk averters and risk takers (MacCrimmon and Wehrung 1986). These three items (RISK2, RISK3, RISK4) reflected the firm’s need for more information before making a risky decision, the need for a familiar environment and low uncertainty, and the general nature of the firm’s approach to business transactions (see the above description of pool items for question wording). Although it may have been valuable to include a greater number of items in the final scale, the overriding objective was parsimony and simplicity, the domain of the construct is adequately covered by the items included, and the measures are grounded in risk behaviour theory. The revised five-item risk propensity measure was provided to a sample of 1100 small manufacturing businesses (with between 10 and 99 employees), operating in eight high technology industry groups, to assess the psychometric properties of the scale. Usable questionnaires were received from 238 respondents for a net response rate of 21.6%, which is comparable to similar international surveys. The responses were derived predominantly from small businesses operating in three product classes, namely other electrical equipment, photographic and scientific equipment, and computer hardware and other electronic equipment. Over two-thirds of the respondents indicated that their business had 10-39 employees, which is consistent ANZMAC 2003 Conference Proceedings Adelaide 1-3 December 2003 768 with statistics on the size distribution of Australian small businesses. The responding small firms were generally well established businesses with over 80 percent having been in operation for more than 10 years, and less than 2 percent operational less than 2 years. Key informants were predominantly the small firm’s CEO (58.4 percent) and were required to have an acceptable level of personal knowledge of the general risk behaviour of their business in order to be considered eligible for the study. The firms in the study are considered entrepreneurial in light of their high level of innovation and desire for autonomy, both common themes in many definitions of entrepreneurship (e.g., Baumol 1993; Low and MacMillan 1988). Initial exploratory factor analysis indicated the five-item scale was unidimensional. The items were them subjected to confirmatory factor analysis to further examine their psychometric properties. The one factor confirmatory (congeneric) model for risk propensity was a good fit to the data, evidenced by the non-significant chi-square statistic, and satisfactory goodness of fit indices (e.g., Bollen 1989) (see Table 1). The goodness of fit statistics of a congeneric measure model are also a type of validity test, since, for the model to fit well, the items must all represent the same latent trait (Holmes-Smith and Rowe 1994). Further, the individual item loadings were all significant (p < .01), and the composite scale exceeds the Bagozzi and Yi (1988) reliability test of _ c ≥ 0.6 that indicates an appropriate measurement scale; and the commonly accepted threshold value for acceptable reliability for exploratory work of 0.60 (Hair et al. 1998). Given the problematic nature of the measurement of this construct in previous research, and the exploratory nature of the measurement development process, the psychometric properties of the scale were considered acceptable. Table 1 One Factor Congeneric Model for the Risk Propensity Scale Item Factor Loading Goodness of fit measures: RISK1 RISK2 RISK3 RISK4 RISK5 0.44 0.44 0.76 0.67 0.31 Reliability of scale: 0.66 Chi-square Degrees of freedom Probability Goodness of fit index Adjusted goodness of fit Comparative fit index Normed fit index 6.82 5 0.23 0.99 0.98 1.00 0.99 Results and Discussion The study findings indicate that the entrepreneurial firms are risk averse in their business practices, and strongly call into question the conventional view of entrepreneurs as risk takers. The average of the five risk items included in the final scale (after coding the responses so lower scores reflect a lower propensity for risk) was 2.93 (std. deviation = .80), which through a one-sample t-test was found to be significantly less than the scale mid-point of four (t = -20.696, p < .01). The sample means for the five individual items were also found to be significantly different than the scale mid-point (at a 99 percent level of confidence) indicating: entrepreneurial small businesses preferred certainty in their business relationships even if this could involve a lower level of business performance (Mean = 4.42); research is important Entrepreneurship, Innovation and Large and Small Business Marketing Track 769 before making a risky decision (Mean = 5.71); the business in most cases only takes risks in areas it knows well (Mean = 5.47), business transactions were approached with a high degree of caution (Mean = 5.01); and the business strategy was not characterised by a strong tendency to undertake high-risk projects (Mean = 3.28). The results indicate that entrepreneurial firms generally appear to take a well balanced approach to risk management in terms of undertaking research before making risky decisions and constraining themselves to areas of business they are familiar with, and arguably can leverage their strengths and core competencies. These findings corroborate Timmons’ (1994) assertion that entrepreneurs are prudent managers of risk. Data was also collected on firm sales and size (number of employees) to examine the effect of risk propensity on performance, while controlling for firm size. The regression analysis failed to support a significant effect for risk propensity on sales (p >.50). However, further research is needed to better understand the performance implications of the entrepreneur’s risk preference behaviour. In particular, the implications of the somewhat cautious approach to risk and a preference for increased certainty in decision-making over higher performance should be examined, as Walls and Dyer (1996) have found that up to some optimal point, beyond which the firm undertakes "hazardous" investments, a positive relationship exists between the corporate risk tolerance ratio and ex post returns. Evidence of the variability of firm risk preferences in this study also question the assumption of the use of fixed firm and agent risk preferences in most transaction cost, descriptive financial and hidden-action agency models. Finally, given that risk propensity is a critical variable in managerial decision-making; it is somewhat surprising that previous scales used to measure the concept have frequently been weak. This paper was also an initial attempt to develop a parsimonious and easily applied scale that could be applied in research into a wide range of business and marketing settings. 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