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中南大学学报(社会科学版)
ZHONGNAN DAXUE XUEBAO(SHEHUI KEXUE BAN)

2020年03月第26卷第2期
   
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文章编号:1672-3104(2020)02-0021-11
 
城市蔓延对地区生产率增长的影响——基于产业动态集聚的视角
 
郝良峰1,2,李小平1
 
(1. 中南财经政法大学经济学院,湖北武汉,430073;
2. 苏州科技大学商学院,江苏苏州,215009)
 
摘  要: 城市蔓延可能通过动态影响产业集聚水平而引起地区生产率的变化。基于产业动态集聚指数构建,采用空间杜宾固定效应模型检验城市蔓延对地区生产率增长的影响机制。研究表明:城市蔓延通过降低产业集聚水平而抑制了生产率的增长,而且在2000—2006年表现得更加明显。同时,城市蔓延与产业动态集聚的交互作用提升了地区规模效率,却不利于技术进步率和技术效率的改进。进一步研究表明,城市蔓延对周边地区也产生了不利影响,而且在郊区化指数作用下更加明显。采用地表粗糙度进行内生性处理后的结果并未呈现显著差异。政策启示在于:要控制城市蔓延速度,提升城市蔓延与产业集聚的协同水平;同时,避免过度的空间扩张而忽略集约发展,优化区域空间效率。
 
关键词: 城市蔓延; 产业集聚; 动态; 生产率
 
 
Impact of urban sprawl on regional productivity improvement: Based on the perspective of dynamic industrial agglomeration
 
HAO Liangfeng1,2, LI Xiaoping1
 
(1. School of Economics, Zhongnan University of Economics and Law, Wuhan 430073, China;
2. School of Business, Suzhou University of Science and Technology, Suzhou 215009, China)
 
Abstract: Urban sprawl may lead to some changes in regional productivity by dynamically affecting the level of industrial agglomeration. Based on the construction of dynamic industrial agglomeration index, this study adopted spatial Dubin model (SDM) with fixed effect to test the impact mechanism on how urban sprawl affects regional productivity. The results show that urban sprawl has restrained productivity growth by reducing the level of industrial agglomeration, which performed more prominently from 2000 to 2006. Meanwhile, the interaction between urban sprawl and dynamic industrial agglomeration has increased the regional scale efficiency, which is not conducive to the improvement of technological progress and efficiency. Further research shows that urban sprawl also exerts adverse effect on the productivity of surrounding cities, which is even more obvious under the influence of suburbanization. There is no significant difference in the result of endogenous treatment with surface roughness. Enlightenments of the policy lie in controlling the speed of urban sprawl, improving the synergy level between urban sprawl and industrial agglomeration, meanwhile avoiding excessive spatial expansion as well as extensive development, and optimizing spatial efficiency.
 
Key words: urban sprawl; industrial agglomeration; dynamic; productivity
 
 
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