Does Urban Agglomeration Promote Urban Land Green Use Efficiency? Take the Yangtze River Economic Zone of China as an Example

Kun Ge, Shan Zou, Shangan Ke and Danling Chen
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Kun Ge: College of City Construction, Jiangxi Normal University, Nanchang 330022, China
Shan Zou: College of City Construction, Jiangxi Normal University, Nanchang 330022, China
Shangan Ke: School of Public Administration, Central China Normal University, Wuhan 430079, China
Danling Chen: College of Public Administration, Huazhong Agricultural University, Wuhan 430070, China

Sustainability, 2021, vol. 13, issue 19, 1-19

Abstract: This paper theoretically constructs the logical framework of urban agglomeration affecting urban land green use efficiency (ULGUE) and employs the super efficiency SBM model with undesired outputs to measure ULGUE based on the research object from 107 prefecture-level cities and above in the Yangtze River Economic Zone. Then, this paper uses the difference-in-differences method to test the impact of urban agglomeration on the ULGUE. The results show that: (1) urban agglomeration has a positive regulatory effect on the ULGUE, and this research conclusion is robust; (2) the promotion effect of urban agglomeration on the ULGUE has regional differences, showing the basic pattern of ordinary prefecture-level cities > regional central cities > provincial capital cities and medium cities > big cities > super large and megacities; (3) small and medium-sized cities should be encouraged to further agglomerate while moderately controlling the excessive agglomeration of super-large cities and megacities. Moreover, it is suggested to improve the level of regional agglomeration from the aspects of flexible use of market mechanisms and policy tools, innovative technology applications to achieve the effective integration of urban agglomeration, and ULGUE promotion.

Keywords: urban agglomeration; urban land green use efficiency; Yangtze River Economic Zone; difference-in-differences (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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