Based on the micro-manufacturing enterprise data of China Industrial Enterprise Database from 2008 to 2013,the EG index method is used to measure the average concentration of manufacturing industry in the 30 provinces of China at the county level. The results show that from the trend of the average agglomeration degree of manufacturing industry from 30 provinces,the overall spatial agglomeration of China manufacturing industry has been declining year by year,and the spatial diffusion situation is obvious,but it has inter-provincial heterogeneity. On the basis of measuring the concentration of manufacturing industry in various provinces in China,the data of the high-speed trains in each province is collected,and GMM estimation method is used to empirically test the impact of high-speed rail service supply on the spatial agglomeration of provincial manufacturing industry. The empirical results show that: overall,the increase of high-speed rail service supply plays a role in manufacturing industry space agglomeration. Significant inhibition has promoted the spatial dispersion of the manufacturing industry;further investigations by industry have found that the negative impact of high-speed rail service supply on the spatial agglomeration of technology-intensive manufacturing industries is greater than that of labor-intensive and capitalintensive manufacturing. We tested the robustness of the empirical conclusions by time-phase regression and replacement of the core explanatory variables,and found that after the time-phase regression and the replacement of the core explanatory variables,the conclusion is still valid.
Industrial Economics Research
high-speed rail service