Agglomeration Economies and Diseconomies in the Context of Chinese Urbanization: Roles of Population and Migration in Foreign Direct Investment Location Abstract With China’s rapid urbanization, urbanization agglomeration effects are playing increasingly significant roles in foreign direct investment (FDI) location. However, existing studies on FDI location in the context of Chinese urbanization fail to distinguish urbanization agglomeration effects stemming from different urbanization processes: the increase of urban-hukou population and the migration. This paper employs two sets of population data from two systems for the collection and reporting of statistical data, China City Statistical Yearbooks generated from the hukou registration statistics and China Censuses including migrant workers, to distinguish urbanization agglomeration effects resulting from two different urbanization processes. The results indicate that the urbanization agglomeration stemming from two different urbanization processes had opposite effects on FDI location: the urbanization agglomeration economies resulting from the increase of the urban-hukou population and the urbanization agglomeration diseconomies resulting from the migration. The findings provide policy implications on developing periphery cities to motivate and encourage migrant workers to move from core cities within the economic zones and provincial capitals, especially cities in the eastern/coastal regions, to the periphery cities. Keywords: Agglomeration economies and diseconomies, Urbanization, Population and migration, Foreign direct investment, Location decision, and China 1. Introduction Agglomeration economies, a form of externalities and scale economies, have been well known as one of fundamental explanations of industrial location (Marshall, 1920; Henderson, 1974; Jacobs, 1969; Krugman, 1991). Localization economies and urbanization economies are two types of agglomeration economies considered in the empirical literature on foreign direct investment (FDI) location: localization economies are related to the concentration of industries while urbanization economies are related to a city size (Marshall, 1920; Jacobs, 1969; Henderson, 1974). The identification and examination of microfoundations of agglomeration can help understand the process and mechanisms behind the behavior of FDI location. Also, the assessment of relative importance of localization and urbanization economies provides significant policy implications on urban development and industrial development. China’s rapid urbanization has been considered as an important force shaping the world development in the twenty-first century. Between 2000 and 2010, China’s urbanization rate has raised from 36.2 percent to 49.7 percent (NBS, 2011). In 2012, 711.82 million urban dwellers accounted for 52.6 percent of the total population (NBS, 2013) and thus the urbanization rate is more than 50 percent. More people live in urban areas than in rural areas. Rapid urbanization has provided a large amount of cheap labor and is widely considered to be the main driver of China’s economic growth, especially in attracting FDI, but the impact of urbanization economies on FDI has not been thoroughly identified in the context of Chinese urbanization, especially in the 2000s. The urbanization process in China performs different from that in the Western world and displays unique Chinese characteristics. China’s urbanization is hukou-based urbanization. The hukou system is a state institution separating urban and rural residents in terms of social, economic, and political dimensions, which has resulted in an institutionalized two-tier, rural-urban dual structure (Chan, 2014). Given the hukou-based urbanization, urban population growth can be divided into two components: one is the net migration of rural population (i.e. migrant workers) and the other is the increase of the urban-hukou population (including natural increase and residential reclassification) (Chan, 2012). Two components reflect different urbanization processes. Therefore, impacts of urbanization economies stemming from two components should not be expected to be same. However, existing studies examining impacts of urbanization economies on FDI do not distinguish these two components (Leung, 1990; Gong, 1995; He, 2002). This paper identifies impacts of urbanization economies in 2011, examines differences in impacts stemming from two components, and assesses the relative importance of urbanization economies and localization economies in FDI location. I employ two sets of population data distinguishing different components of urbanization: China Census 2010 and China City Statistical Yearbooks. I believe that by considering the difference in processes of urbanization, impacts of different urbanization economies will be better understood and roles of population and migration in FDI will be displayed. My findings suggest that urbanization economies stemming from natural increase of the urban-hukou population and residential reclassification have a positive impact on FDI location while urbanization economies stemming from the migration have a negative impact. In the next section, I review the factors that contribute to FDI location and elaborate upon urbanization economies stemming from two components of China’s urbanization. This is followed by an analysis of the spatial distribution of migrant workers. I also investigate the difference in impacts of urbanization economies stemming from two components. This is followed by sections presenting a discussion and the paper’s conclusions. 2. Literature Review Three schools of thought are relevant to patterns and location of FDI. The neoclassical theory indicates the importance of comparative advantages including factor endowments, such as labor and infrastructure (Kojima, 1982; Kojima and Ozawa, 1984). The institutional economics interpret the institutional impacts on FDI. The new economic geography emphasizes the significance of market access (Markusen and Venables, 1998) and agglomeration economies (Krugman, 1991; Venables, 1996). The literature indicates that five major factors affect FDI location. 2.1. Comparative Advantages and Market Access First, labor costs considered as one of factor endowments in neoclassical theories, affect FDI location (Kojima, 1982; Kojima and Ozawa, 1984). Foreign firms break the industrial chain to access to low labor costs through FDI. However, Japaneseaffiliated automotive-related manufacturing establishments in the United States were located in areas that are characterized by higher wages because they are willing to pay high wages for highly skilled labor (Smith and Florida. 1994). Similarly, Woodward (1992) found that although wage rate was insignificant for Japanese manufacturers in the U.S., higher productivity attracts more investment. In China, there were similar phenomena. He (2003) found that wage rate adjusted by labour productivity in a city has a negative relationship with FDI. Second, transportation infrastructure is another factor endowment influencing FDI location. Advanced transportation infrastructure is particularly significant attractive to foreign firms due to its improvement in transport accessibility. In the U.S. whether there is an interstate connection is considered as an important indicator for transport accessibility (Woodward, 1992; Smith and Florida, 1994). In China, in addition to road transportation, seaport, airport, and telecommunication infrastructures are significant attractions to FDI (Leung, 1990; Gong, 1996; Head and Ries, 1996). Third, new economic geography associates market access with FDI location. Market access and competition generate mobility of capital, leading to FDI concentration (Markusen and Venables, 1998). Foreign firms duplicate a subset of their activities to access to foreign markets and participate in local competition directly. Consequently, studies have found that markets play a dominant role in FDI location: in the United States, for example, larger market size attracted more Japanese manufacturing startups (Woodward, 1992). In the European Union, a 10% increase in the market potential raises the chance of a region being chosen by Japanese investors by 3% to 11% (Head and Mayer, 2004). Similarly, He (2003) found that American, Hong Kong and Taiwanese manufacturers valued access to Chinese markets. 2.2. Institutional Factors Institutional factors also affect FDI in the United States. Unionization and fiscal policies are two major institutional factors influencing investment (Woodward, 1992; Smith and Florida, 1994). Studies have found that labor union membership represents a major deterrent to FDI: for example, it been found that a 1 percent increase in the unionization rate leads to an 8.7 percent decrease in estimated locational probability of Japanese manufacturing start-ups (Woodward, 1992). However, Smith and Florida (1994) found that the presence of unions in a county deters new establishments of Japanese manufacturers, but plays only a slight role for total Japanese manufacturing establishments. In addition to unionization, existing studies emphasize the significance of tax rate. The worldwide and domestic unitary taxes have led to FDI reduction effect in California and Oregon during the 1980s (Woodward, 1992). In terms of personal and property taxes, however, while taxes have an impact on the location of Greenfield FDI, they play no role in acquisition FDI (Smith and Florida, 1994). In the case of China, preferential policies and development zones are two main factors influencing FDI (Huang and Wei, 2011). In the early 1980s, the central government initiated China’s open policy through designating cities as special economic zones (SEZs) and open coastal cities (OCCs) for FDI. These cities offered preferential policies to motivate FDI. In the late 1980s, China expanded preferential policies to open delta economic areas: the Yangtze River Delta (YRD), the Pearl River Delta (PRD), and the Bohai Rim Region (BRR). In the 1990s, all provincial capital cities provided preferential policies. In addition to preferential policies, development zones play a significant role in attracting FDI by tax reduction, red elimination, and superior infrastructure provision. 2.3.Agglomeration Economies Another factor that explains FDI location is associated with agglomeration economies. New economic geography models indicate that, due to increasing returns, firms and workers tend to locate close to each other (Krugman, 1991; Venables, 1996). There are two types of agglomeration economies: localization agglomeration economies arise from scale economies in industries while urbanization agglomeration economies arise from economies of size of cities (Marshall, 1920; Jacobs, 1969; Henderson, 1974). China has been experienced a rapid urbanization since the economic reform of 1978. During more than three decades, urban population has increased from 185 million in 1978 to 712 million in 2012, resulting in an increase of urbanization from 19 percent to 53 percent (NBS, 2013). And according to China’s new urbanization plan, this rapid growth is continuing. The plan proposed to grant urban household registration status to 100 million people by 2020. This rapid growth in the size of cities becomes a basis for urbanization agglomeration economies influencing FDI location. However, the impact of urbanization economies on FDI has not been thoroughly identified in the context of Chinese urbanization, especially in the 2000s, due to the unique characteristics of China’s urbanization. China’s urbanization is different from the urbanization process in the Western world in that it is hukou-based urbanization. The Hukou system formalized in 1958 has created differences in basic social welfare and economic and political opportunities between urban and rural residents, leading to an institutionalized rural-urban divide (Chan, 2009). The hukou divide is consistent with the geographical rural-urban boundary before the economic reform of 1978. However, after 1978, along with China’s increasing opening and participation in the global economy, the number of rural hukou residents working and living in cities has been dramatically increased (Chan, 2012). However, due to their rural hukou type, these migrant workers do not have same urban social security benefits and public service opportunities as urban residents. Thus, mismatch between the geographical rural-urban boundary and hukou divide appeared and became significant along with the rapid urbanization. This mismatch leads to two different components of urban population growth reflecting different urbanization processes: one is the migration (i.e. migrant workers) and the other is the increase of the urban-hukou population (including natural increase and residential reclassification) (Chan, 2012). Impacts of urbanization economies stemming from two different components should not be expected to be same. Distinguishing urbanization economies resulting from these two different components can identify and examine microfoundations of agglomeration, help understand the process and mechanisms behind the behavior of FDI location, and thus provide significant policy implications on urban development. However, the existing literature examining impacts of urbanization economies on FDI do not distinguish these two components (Leung, 1990; Gong, 1995; He, 2002). This paper employs two sets of population data to distinguish two components and thus understand contributions of different urbanization agglomeration economies to FDI location. 3. Data and Methods 3.1. Data In this paper, I use two sets of population data distinguishing different components of urban population growth: China Census 2010 and China City Statistical Yearbooks. These two sets of population data are from two systems for the collection and reporting of statistical data, China City Statistical Yearbooks generated from the hukou registration statistics and China Censuses including rural migrants who had lived in cities. Thus, population data from China City Statistical Yearbooks reflects the component of the increase of the urban-hukou population while population data from China Census 2010 reflects the total of two components including both the migrant workers and the increase of the urban-hukou population. The population of migrant workers is calculated by subtracting the increase of the urban-hukou population from the total. Socioeconomic data for all prefecture-level cities, including FDI, GDP, wage, and road area, are from China City Statistical Yearbooks. GIS shapefiles are from the China Data Center website (http://chinadatacenter.org). 3.2. Spatial Statistics: Moran’s I and Getis-Ord G This study analyzes spatial patterns and trajectories of migrant workers, applying global and local spatial statistics. I use global statistics to analyze whether the spatial pattern of migrant workers is clustered or dispersed, and local statistics to identify local spatial clusters among cities. Global Moran’s I is conducted to examine the degree to which the spatial distribution of migrant workers deviates from the null hypothesis of spatial randomness. It is calculated in ArcGIS to indicate whether there is a spatial autocorrelation of migrant workers in China. Local Moran’s I, Local Indicators of Spatial Association (LISA) statistics are calculated and mapped in ArcGIS to identify local clusters of spatial autocorrelation of migrant workers. In addition, in order to detect the concentration of immigrant workers and emigrant workers, local Getis-Ord G statistics are calculated and mapped to identify hot or cold spots of migrant workers. 3.3. Locational Determinants: Regression Model The study employs regression models to examine forces influencing FDI location, especially different urbanization agglomeration economies. In order to test spatial dependence, I calculated five Lagrange Multiplier test statistics. The t values for the Lagrange Multiplier Lag statistic and the Lagrange Multiplier Error statistic are 0.59 and 0.34, so they are not significant for spatial dependence. Therefore, I use the following ordinary least squares (OLS) regression model to investigate the locational determinants of FDI in 2010: Yi=β0+β1Xi+Regioni+ εi As shown in Table 1, I consider FDI inflows as the dependent variable Yi. Region is a fixed effect term controlling for unmeasured region-scale variables by estimating region-level effects. These region-level effects are included as fixed instead of random effects. China can be divided into eastern, central, and western regions in terms of physical, socioeconomic, and institutional characteristics. So I use two dummy variables to estimate regional-level effects. INSERT TABLE ONE Xi consists of three groups of factors influencing FDI location: comparative advantage, agglomeration, and institutional policies. Three variables related to comparative advantages are GDP, Salary, and road area per capita (RoadAreaPC). GDP is used to measure the market demand of a city. Larger market size can attract more FDI (Woodward, 1992). The salary is to measure the labor cost. Higher labor costs deter FDI (Smith and Florida, 1994; He, 2003). In addition, the variable road area per capita is to measure a city’s transportation capacity. Three variables are related to agglomeration economies. The variable FDI stock (FDIStock) representing the total amount of existing FDI measures localization agglomeration economies. Two variables, the urban-hukou population (CSPop) and the population of migrant workers (MWPop), measure the urbanization agglomeration economies stemming from the natural increase of urban population and urban migration, respectively. I use six dummy variables to measure the impact of institutional factors. The variable NDZ is to indicate whether a city has a national development zone. The variable SEZOCC is to indicate whether a city is a SEZ or OCC. The variable CAPITAL is to indicate whether a city is a national or provincial capital. Another three variables, PRD, YRD, and BRR, are used to indicate whether a city is located in the PRD, the YRD, and BRR, respectively. 4. Results 4.1.Most Dynamic and Rapidly Growing Cities China’s urbanization is spatially uneven: national and provincial capitals and eastern/coastal cities had more immigrant population while central and western cities had more emigrant population. In 2010, among 287 prefectural cities, 105 cities had urban population growth while the rest 182 cities had negative net migration. Figure 1 shows the spatial distribution of net migration of urban population at the prefecturelevel cities in 2010. All national and provincial capitals except Nanning in Guangxi Province had positive net migration of urban population. In addition to these capitals, cities with positive net migration are mostly located in the eastern/coastal region. Cities with negative net migration are mostly located in the central and western regions. In the Central and Western China, Jiangxi, Hunan, Henan, and Shaanxi only have provincial capitals that were cities with positive net migration and the rest had negative net migration. In Anhui, in addition to the provincial capital, Hefei, only Maanshan adjacent to the eastern/coastal area, had positive net migration. In Sichuan, in addition to the provincial capital, Chengdu, only Panzhihua had positive net migration. In Hubei, in addition to the provincial capital, Wuhan, Yichang and Ezhou had positive net migration. INSERT FIGURE ONE The most dynamic and rapidly growing cities are concentrated in the eastern/coastal region. Most of them are located in the Pearl River Delta (PRD) and the Yangtze River Delta (YRD). Table 2 shows the top 20 cities with positive net migration. 17 out of 20 cities are located in the eastern/coastal region while 3 cities located in the central and western regions are Chengdu, Wuhan, and Zhengzhou. Additionally, all 17 cities in the eastern/coastal region are located in four major economic areas in this region, the Pearl River Delta (PRD), the Min River Economic Corridor, the Yangtze River Delta (YRD), and the Bohai Rim Region (BRR). Most of them are located in the PRD and the YRD, Xiamen and Quanzhou are in the Min River Economic Corridor, and Beijing and Tianjin are in the BRR. These most dynamic and rapidly growing cities have the highest level of urbanization, which may lead to the urbanization agglomeration economies influencing FDI location. INSERT TABLE TWO 4.2.Spatial patterns of migrant workers and FDI The result of global Moran’s I indicates that migrant workers were clustered in 2010. The global Moran’s Index is 0.11 and the z score for global Moran’s I is 8.27, showing a statistically significant clustering pattern of the population of migrant workers in 2010. The local clusters of positive spatial autocorrelation with a high number of immigrant workers were located in four economic zones within the eastern/coastal region. Table 3 and Figure 2 show results of LISA (local Moran’s I). In addition to Tianjin in the BRR and Xiamen in Minjiang Delta, clusters of immigrant workers were located in the YRD and the PRD, further confirming that the YRD and the PRD have the most dynamic and rapidly growing cities in China. In addition, there were three clusters of negative spatial autocorrelation. They are cities with a high number of immigrant workers surrounded by cities with a high number of emigrant workers. These three clusters were Zhengzhou, Wuhan, and Chengdu that are core cities for three economic zones in the central and western regions, the Central Plains (or called Zhongyuan) Economic Zone, the Wuhan Economic Zone, and Chengyu Economic Zone, respectively. INSERT TABLE THREE AND FIGURE TWO All clusters of positive spatial autocorrelation with a high number of emigrant workers were located in four provinces within the central and western regions. In addition to Zunyi within Guizhou Province, clusters of emigrant workers were in Central Plains Economic Zone within Provinces of Henan and Anhui and Chengyu Economic Zone within Sichuan Province. This indicates the migration from the periphery cities to core cities within the economic zone within the central and western region. Nine cities were hotspots of immigrant workers: only Chengdu in Sichuan Province was located in the western region and others were located in the BRR, the YRD, and the PRD in the eastern/coastal region. Table 4 and Figure 3 show results of local Getis-Ord G. Three municipalities, Beijing, Tianjin, and Shanghai, were hotspots of immigrant workers. Contrastively, there were four hotspots of emigrant workers: Fuyang, Xinyang, and Zhoukou in the Zhongyuan Economic Zone within the central region and Chongqing in Chengyu Economic Zone. This further confirms the intraregion migration from periphery cities to core cities. The interesting finding is that Chongqing, as a municipality, was a hot spot of emigrant workers, which was distinct from other municipalities that are hot spots of immigrant workers. The relative low development level compared to other municipalities and a large amount of population (the largest population among four municipalities) in Chongqing may explain why Chongqing was the hot spot of emigrant workers. INSERT TABLE FOUR AND FIGURE THREE 4.3.Locational Determinants: Urbanization Agglomeration Effects The regression model is significant at the 1 percent level and the adjusted R2 value is 0.873, indicating that 87 percent of the dependent variable can be explained by the independent variables (Table 5). The multicollineairty condition number is 27.9 that is greater than 15, indicating potential multicollinearity. Collinearity diagnostics were performed to examine multicollinearity. Table 6 shows the result of collinearity diagnostics. The condition indices are less than 30, indicating no collinearity problems. INSERT TABLES FIVE AND SIX First, the localization agglomeration had significant impacts on FDI location. The variable representing localization agglomeration effects, FDI stock was statistically significant positive at 1 percent level, showing the positive effects of localization agglomeration in FDI location. This indicates the attraction ability of existing FDIs to new ones in the same city. Also, according to the standardized coefficients, the localization agglomeration effect is the most significant factor among all forces and thus had the greatest effect on FDI location. Second, the urbanization agglomeration stemming from different urbanization processes had opposite effects on FDI location. The urbanization agglomeration resulting from the increase of the urban-hukou population (i.e. natural increase and residential reclassification) had statistically significant positive effects on FDI location, according to the coefficient of the variable population whose data is derived from China City Statistics Yearbooks and is based on the number of urban hukou residents. However, the urbanization agglomeration resulting from the population of migrant workers had statistically significant negative effects on FDI location, according to the coefficient of the variable population of migrant workers. The opposite impacts of different urbanization agglomerations shed light on the questions of city size and migrant workers. On one hand, cities are still under-agglomerated and have capabilities of providing agglomeration economies by continuous natural increase of urban population. On the other hand, migrant workers population deters FDI. The mismatch between skills of migrant workers and the labor skills that foreign firms require may explain the deterrence: migrant workers usually receive limited education and skills, and thus they are limited to low-paid factory and service jobs. Third, the wage cost had a positive relationship with FDI. This result is opposite to the expectation. The measurement of labor cost does not identify labor market segments and distinguish between different levels of skilled labor, which might explain the positive relationship between the wage cost and FDI. In addition, this positive relationship implies the domination of the type of FDI demanding more skilled labor than less skilled labor, suggesting that the cheap labor resource seeking is not the main motivation of FDI in China anymore. Also, the positive relationship between wage cost and FDI further shed light on the deterrence of migrant workers to FDI, considering that migrant workers are low-skilled. Last, national and provincial capitals are significant to FDI location. The variable Capitals is positively, statistically significant, showing that foreign firms prefer to invest in capitals than other cities. Contrastively, the special economic zones and open coastal cities were not significant to FDI as they were before (Gong, 1995; Head and Ries, 1996; He, 2002). In addition, the dummy variable the BRR is significant, suggesting that the Bohai Rim Region is attractive to FDI. The significance of the BRR implies that the Binhai New Area in Tianjin as a new national growth area is playing an important role in FDI when foreign capital policy focus spread from the PRD to the YRD, then to the BRR. 5. Conclusion China’s urbanization agglomeration has been a subject of investigation in FDI location because of its implications for urbanization development and globalization integration. This paper differs from many of these studies by distinguishing urbanization agglomeration effects stemming from different urbanization processes: the increase of urban-hukou population and the migration. This study offers a more nuanced picture of urbanization agglomeration effects, especially those related to migration. China’s urbanization is accompanied by the population migration from the central and western regions to eastern/coastal region, especially from the central region to the eastern region. Consequently, the most dynamic and rapidly growing cities are concentrated in the eastern/coastal region, especially the YRD and the PRD. The analysis reveals that all clusters of positive spatial autocorrelation with a high number of immigrant workers were in the PRD, the YRD, the BRR, and the Minjiang Delta within the eastern/coastal region. Three clusters of negative spatial autocorrelation and clusters of positive autocorrelation with a high number of emigrant workers in central and western regions may be explained by the intra-region migration from the periphery cities to core cities within the economic zones. In addition, there is a striking contrast between Chongqing as a hot spot of emigrant workers and other municipalities as hot spots of immigrant workers. Besides development and population levels, further research is needed to explain this contrast in order to help understand the regional difference in urbanization development. The urbanization agglomerations stemming from the increase of urban-hukou population and the migration had opposite effects on FDI location: the urban-hukou population generated urbanization agglomeration economies while the population of migrant workers generated urbanization agglomeration diseconomies. This finding provides policy implications on developing periphery cities to motivate and encourage migrant workers to move back from core cities within the economic zones and provincial capitals to the periphery cities. The analysis in this paper has moved away from more traditional notions of urbanization agglomeration effects on FDI. It establishes the linkages between migration, urbanization agglomeration, and FDI. Reference Chan, Kam Wing. 2009. “The Chinese Hukou System at 50.” Eurasian Geography and Economics, 50(2), pp. 197-221. 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(1992) “Locational determinants of Japanese manufacturing startups in the United States,” Southern Economic Journal, 58(3), pp. 690-708. Table 1. Dependent and Independent Variables of Regression Models Dependent Variables: FDI inflows Types Independent Definition Variable GDP Gross domestic product Comparative Advantages Institutional Policies Salary ROADAPC NDZ PRD YRD BRR SEZOCC Capitals Agglomeration FDIStock CSPop MWPop Average salary per year Road area per capita Whether a city has national economic and technological development zones or high-tech development zones Whether a city is located in the Pearl River Delta Whether a city is located in the Yangtze River Delta Whether a city is located in the Bohai Rim Region Whether a city is designated as a Special Economic Zone or Open Coastal City Whether a city is a provincial capital The amount of existing FDI The total urban-hukou population The total population of migrant workers Table 2. The Most Dynamic and Rapidly Growing Cities in 2010 Rank Region Province City Number of Migrant Workers 1 Eastern Shanghai Shanghai 8954048 2 Eastern Guangdong Shenzhen 7828738 3 Eastern Beijing Beijing 7094268 4 Eastern Guangdong Dongguan 6417737 5 Eastern Guangdong Guangzhou 4697000 6 Eastern Jiangsu Suzhou 4111294 7 Eastern Guangdong Foshan 3501711 8 Eastern Tianjin Tianjin 3114724 9 Western Sichuan Chengdu 2604125 10 Eastern Zhejiang Ningbo 1880200 11 Eastern Zhejiang Hangzhou 1837900 12 Eastern Fujian Xiamen 1745347 13 Eastern Jiangsu Wuxi 1711624 14 Eastern Jiangsu Nanjing 1693680 15 Eastern Guangdong Zhongshan 1635684 16 Central Hubei Wuhan 1423992 17 Eastern Fujian Quanzhou 1297930 18 Eastern Zhejiang Wenzhou 1292500 19 Eastern Guangdong Huizhou 1288802 20 Central Henan Zhengzhou 1246505 Table 3. LISA results of the population of migrant workers in 2010 LISA Type High-High Region Eastern Economic Zone Bohai Rim Region Province Tianjin Shanghai City Tianjin Shanghai Yangtze River Delta Minjiang Delta Pearl River Delta High-Low Low-Low Central Central Plains (or Zhongyuan) Greater Wuhan Western Chengyu Central Central Plains (or Zhongyuan) Economic Zone Western Chengyu Jiangsu Jiangsu Zhejiang Zhejiang Zhejiang Fujian Guangdong Guangdong Guangdong Guangdong Guangdong Guangdong Guangdong Guangdong Henan Wuxi Suzhou Hangzhou Ningbo Jiaxing Xiamen Guangzhou Shenzhen Zhuhai Foshan Jiangmen Huizhou Dongguan Zhongshan Zhengzhou Hubei Sichuan Anhui Wuhan Chengdu Fuyang Bozhou Shangqiu Zhoukou Zhumadian Nanyang Xinyang Zunyi Chongqing Luzhou Yibin Nanchong Ziyang Dazhou Guangan Bazhong Henan Guizhou Sichuan - Table 4: Hotspots and coldspots of net migration of urban population in 2010 Spot Type Region Economic Zone Province City Hotspots Eastern Bohai Rim Region Beijing Beijing Tianjin Tianjin Yangtze River Shanghai Shanghai Delta Jiangsu Suzhou Pearl River Delta Guangdong Shenzhen Guangdong Dongguan Guangdong Guangzhou Guangdong Foshan Sichuan Chengdu Central Plains (or Anhui Fuyang Zhongyuan) Henan Xinyang Economic Zone Henan Zhoukou Chengyu Sichuan Chongqing Western Coldspots Central Western Table 5. Results of regression models for FDI in 2010 Variable Coefficient CONSTANT -95467.56 GDP -9.23E-4 Salary 1.85 RoadAreaPC -236.63 FDIStock 0.16 CSPop 72.28 MWPop -0.03 NDZ 2993.05 SEZOCC -27292.86 Capitals 46994.91 PRD -35565.22 YRD 10594.64 BRR 28647.53 Adjusted R Square Std.Error 27895.85 9.05E-4 0.88 622.50 9.30E-3 28.77 8.41E-3 9312.20 18187.04 15420.99 25973.60 17522.63 12709.11 0.873 Table 6. Collinearity diagnostics of regression model Dimension Eigenvalue Condition Index t-Statistic -3.42 -1.02 2.10 -0.38 16.81 2.51 -3.21 0.32 -1.50 3.05 -1.37 0.60 2.25 F-statistic Probability 7.22E-4 0.31 0.04 0.70 0.00 0.01 1.48E-3 0.75 0.13 2.55E-3 0.17 0.55 0.03 133.922 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 6.598 2.287 1.086 1.029 0.970 0.729 0.665 0.484 0.402 0.298 0.211 0.124 0.086 0.023 0.008 1.000 1.699 2.465 2.533 2.608 3.009 3.149 3.693 4.053 4.703 5.599 7.298 8.761 17.040 28.756 Figure 1: Spatial distribution of population of migrant workers in 2010 Figure 2: LISA map of population of migrant workers in 2010 Figure 3: Getis-Ord G map of population of migrant workers in 2010
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