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采用Ellison和Glaeser设计的产业内集聚水平系数对1986-2006年中国制造业两位数20个分行业的集聚水平进行动态测算,并分别从制造业整体、分行业及其地域分布三个层面对计算结果统计,分析演变趋势。研究结论更进一步表明:中国制造业整体集聚水平呈显著的U型变化趋势,且正处于中度向高度集聚水平迈进阶段;集聚的主导行业已由资源密集型行业向技术密集型行业转变;在地域分布上,东部与中西部地区集聚行业亦有明显差异,技术密集型行业有向东部地区而资源密集型行业则向中西部地区集聚的趋势。
Using the coefficient of agglomeration level in industry designed by Ellison and Glaeser, the paper calculates the level of agglomeration in the manufacturing double-digit manufacturing industry in China from 1986 to 2006, and analyzes the agglomeration level of the manufacturing industry in terms of overall industry, sub-industry and geographical distribution respectively Statistics results, analysis of evolution trends. The conclusion of the study further shows that the level of overall agglomeration in China’s manufacturing industry shows a significant U-shaped trend, and is at a moderately high level of agglomeration. The dominant industry in agglomeration has shifted from a resource-intensive industry to a technology-intensive industry. Geographical distribution, the eastern and central and western agglomeration industries are also significantly different from the technology-intensive industries to the eastern part of the resource-intensive industries to the central and western regions tend to gather.