How can the national pilot zone for ecological conservation improve the green economic efficiency in Hainan?
Using the unexpected output SBM model,this paper calculates the green economic efficiency in the regions in Hainan Province from 2010 to 2019.The difference in difference method is adopted to empirically evaluate the impact of the construction of the national pilot zone for ecological conservation on the green economic efficiency in Hainan and its mechanism.The results show that the green economic efficiency of these regions in Hainan has improved significantly within the sample period.The national pilot zone for ecological conservation has significantly improved the green economic efficiency in Hainan,and reduced the gap between the treatment group and the control group by 40.78%.The construction of the national pilot zone for ecological conservation improves the green economic efficiency in Hainan by optimizing the industrial structure and strengthening the environmental regulation.The conclusions have important implications for the green development of Hainan and other provinces and regions.
national pilot zone for ecological conservationgreen economic efficiencySBM model