This paper measured the carbon emission efficiency of 284 prefecture-level cities in China by using the Super-SBM mode, analyzed the evolution and differentiation characteristics of the carbon emission efficiency of these cities in both temporal and spatial dimensions, and evaluated the regional differences in urban carbon emission efficiency with Dagum Gini Coefficient, thereby further investigating its convergence through erecting the absolute/conditional β convergence model. According to the study, China's prefecture-level cities showed a “U-shaped” development trend of “falling first and then rising” from 2009 to 2020 and showed a club feature of “small dispersion and large agglomeration” in space. In terms of regional differences, East-West, East-Central, and Central-Western regions showed an increasing trend. The source contribution of regional differences in carbon emission efficiency in the eastern, central, and western regions has changed from super variable density to a relatively balanced state. The main contributor to the North-South intra-regional difference in carbon efficiency is the inter-regional difference. Absolute β convergence and conditional β convergence exist in urban, eastern, western, and northern and southern regions across the country. The convergence rate is faster in the central region and slower in the western region. Moreover, there are significant differences in the impact of low-carbon technology innovation, entrepreneurial activity, industrial development scale, infrastructure construction level, and fiscal decentralization level on the change rate in carbon emission efficiency.
ZHANG Yong-nian
. Dynamic evolution, regional differences, and spatial convergence of carbon emission efficiency in Chinese Cities[J]. Urban Problems, 2023
, 336(7)
: 33
-42
.
DOI: 10.13239/j.bjsshkxy.cswt.230704
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