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本文运用区位商指标对长江经济带11个省市制造业30个行业的集聚度进行测算。结果显示,长江经济各省市已形成了各自的优势产业,沿海地区形成了以资本密集型和知识技术密集型产业为主的产业集聚,中西部地区形成了以劳动力密集型和资源密集型产业为主的产业集聚。在此基础上构建了面板数据模型对各省市制造业产业集聚与经济增长关系进行实证研究,结果表明各产业集聚均对区域经济增长有一定作用,但作用效果差异较大。
In this paper, the location quotient is used to measure the concentration of 30 industries in 11 provinces and cities in the Yangtze River economic belt. The results show that the provinces and municipalities in the Yangtze River have formed their own advantageous industries. Coastal areas have formed industrial agglomerations that are mainly capital-intensive and knowledge-intensive industries. In the central and western regions, labor-intensive and resource-intensive industries have been formed The main industrial agglomeration. Based on this, a panel data model is constructed to empirically study the relationship between manufacturing industry agglomeration and economic growth in various provinces and municipalities. The results show that all industrial agglomerations play a certain role in regional economic growth, but the effects are quite different.