碳排放权交易对碳排放效率的影响及其空间溢出效应--基于我国30个省份2006~2019年面板数据的实证研究

The Impact of Carbon Emissions Trading on Carbon Emission Efficiency and Its Spatial Spillover Effect--Based on Panel Data of 30 Provinces in China from 2006 to 2019

本文基于我国30个省份2006~2019年的面板数据,运用非径向方向函数的DEA模型测量省份碳排放效率,通过空间双重差分模型分析碳排放权交易对碳排放效率的空间溢出效应。实证结果表明:我国碳排放效率具有明显地区差异且存在空间相关性;碳排放权交易可提高本地区的碳排放效率,但会对周边地区的碳排放效率产生抑制作用。基于上述结论,本文建议推动碳排放权交易市场的开放和创新,增加对碳排放权交易负面影响的监测和控制,促进碳排放权交易政策的优化和改进。

This paper utilizes panel data of 30 provinces in China from 2006 to 2019.The non-radial directional distance function-based DEA model is employed to measure carbon emission efficiency in each province.The SDID model is used to analyze the spatial spillover effect of carbon emission trading on carbon emission efficiency.Empirical results demonstrate significant regional disparities in carbon emission efficiency in China,as well as clear spatial correlations.Carbon emission trading can enhance local carbon emission efficiency but has a restraining effect on neighboring regions'carbon emission efficiency.Based on these findings,this paper proposes promoting the opening and innovation of the carbon emission trading market,enhancing monitoring and control of negative impacts of carbon emission trading,and facilitating the optimization and improvement of carbon emission trading policies.