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

Yanlin Zhen, Dehao Shi () and Yanan Lu ()
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Yanlin Zhen: Spatial Planning Center, Yangtze Delta Region Institute of Tsinghua University, Jiaxing 314006, China
Dehao Shi: Department of Geography and Resource Management, The Chinese University of Hong Kong, Hong Kong SAR 999077, China
Yanan Lu: School of Public Affairs, Zhejiang University, Hangzhou 310030, China

Land, 2023, vol. 12, issue 5, 1-16

Abstract: 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.

Keywords: city region; regional integration strategy; industrial integration; DDD model; Yangtze River Delta (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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