The Impact of Regional Integration Strategies on the Formation of City Regions and Its Agglomeration Shadow: Evidence from the Yangtze River Delta, China

被引:8
作者
Zhen, Yanlin [1 ]
Shi, Dehao [2 ]
Lu, Yanan [3 ]
机构
[1] Tsinghua Univ, Spatial Planning Ctr, Yangtze Delta Reg Inst, Jiaxing 314006, Peoples R China
[2] Chinese Univ Hong Kong, Dept Geog & Resource Management, Hong Kong 999077, Peoples R China
[3] Zhejiang Univ, Sch Publ Affairs, Hangzhou 310030, Peoples R China
关键词
city region; regional integration strategy; industrial integration; DDD model; Yangtze River Delta; ECONOMIES; GOVERNANCE; POLITICS;
D O I
10.3390/land12051053
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Using a sample of 122 county-level units in the Yangtze River Delta (YRD) region from 2000 to 2017, this study employs a difference-in-differences model (DID) to examine the impact of regional integration strategy (RIS) on city-region formation and a difference-in-difference-in-difference model (DDD) to test whether it has spatial heterogeneity. The results indicate that RIS has a significant positive impact on industrial integration while it also displays obvious industrial heterogeneity and spatial heterogeneity. The results of the present study contribute to the following points: First, the implementation of RIS promotes a balanced layout of the secondary industry in the region, yet the tertiary industry tends to agglomerate towards central cities. Furthermore, we found that RIS has a more significant negative effect on the integration of the secondary industry and tertiary industry in cities adjacent to metropolis. Consequently, RIS magnifies the "agglomeration shadow" within city regions in terms of industrial integration. Last, our in-depth fieldwork on Jiaxing unravels the mechanism of the shadow effect of RIS.
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页数:16
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