Through the super-efficient SBM model with non-expected output and Malmquist productivity index,the carbon emission efficiency of each city in Jiangsu Province from 2011 to 2020 was calculated and the spatial and temporal differences were analyzed.Results showed that there was a significant difference in carbon emission efficiency among the prefecture-level cities in Jiangsu Prov-ince,with the overall characteristics of higher carbon emission efficiency in central Jiangsu than in southern Jiangsu and higher carbon emission efficiency in southern Jiangsu than in northern Jiangsu.The innovation of technology was the core driving factor for the im-provement of carbon emission efficiency in Jiangsu Province.Unreasonable resource allocation and low scale efficiency were the main reasons why the carbon emission efficiency in Jiangsu Province had not reached the production frontier.
关键词
超效率SBM模型/碳排放效率/时空差异/江苏省
Key words
super-efficient SBM model/carbon emission efficiency/temporal and spatial differences/Jiangsu Province
维普
万方数据