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基于乡镇企业的农产品加工业2006~2012年的数据,利用条件Logit模型检验了产业集聚对于新生企业数量的影响。结果显示:现阶段隶属于乡镇企业的农产品加工业集聚现象明显,形成了以东部沿海为中心、以中西部为边缘的“核心—边缘”结构。回归结果显示,在没有其他控制变量时,地方专业化和地方多样性对企业区位选择均有显著的正向作用,随着控制变量的加入,地方多样性的显著性作用下降甚至消失;对于不同的行业,地方专业化和多样性对于细分行业的影响也是有差异的,不同的行业受到的控制变量的影响和约束也是不一致的。鉴于不同产业与集聚经济特征的匹配性,不同功能和战略定位的城市要发展不同的集聚模型的经济以形成良好的集聚效应,最终达到优化空间产业结构的目的。
Based on the data of township and village enterprises’ agricultural products processing industry from 2006 to 2012, the condition Logit model was used to test the effect of industrial agglomeration on the number of new-born enterprises. The results show that the phenomenon of agglomeration of agricultural products subordinate to township enterprises is obvious at this stage, forming a “core-periphery ” structure with the eastern coast as the center and the Midwest as the edge. The regression results show that in the absence of other control variables, local specialization and local diversity have a significant positive effect on firm location selection. With the addition of control variables, the prominent role of local diversity decreases or even disappears. For different The influence of industry, local specialization and diversity on the subdivision of industries is different. The influence and restraints of different industries on the control variables are also inconsistent. In view of the matching of different industries and agglomeration economic characteristics, cities with different functions and strategic positioning should develop economies of different agglomeration models to form a good agglomeration effect and finally achieve the goal of optimizing the industrial structure of space.