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在区域经济一体化背景下,我们运用熵指标方法测算京津冀、长三角和西兰银三个典型经济区2004—2011年的产业集聚水平,发现不同地域呈现出差异化的产业集聚模式:长三角为高度专业化,京津冀为高度多样化,西兰银则属于中度多样化和中度专业化。进而利用政府主导的他组织机制和市场自发的自组织机制,对不同地域产业集聚模式的形成机制加以解释。最后以典型经济区地级市面板数据为样本,就产业集聚的经济效应进行了实证检验,得到专业化和相关多样化有利于推动地区经济发展,而无关多样化的经济效应不显著的结论。
Under the background of regional economic integration, we use the entropy index method to measure the level of industrial agglomeration in the three typical economic zones of Beijing, Tianjin, the Yangtze River Delta and Silverland from 2004 to 2011 and find that the different regions present different modes of industrial agglomeration: The Yangtze River Delta is highly specialized and Beijing-Tianjin-Hebei is highly diversified while the Bank of Zelin is moderately diversified and moderately specialized. Then, using the government-led organizational mechanism and the spontaneous self-organization mechanism in the market, we can explain the formation mechanism of industrial agglomeration patterns in different regions. Finally, taking the panel data of the prefecture-level cities in the typical economic zone as a sample, the economic effects of industrial agglomeration are tested empirically. It is concluded that the specialization and related diversification are conducive to promoting the regional economic development, while the irrelevant diversification is not significant.