环境规制减排效果的门槛效应分析

The Threshold Effect on Emission Reduction of Environmental Regulations

本文利用1996—2014年我国30个省份的面板数据,从行政、法律、经济和技术四个领域来刻画环境规制,实证检验了不同环境规制手段的减排效果是否具有门槛效应。研究发现,环境规制的强度确实因环境规制的手段不同而有所不同,其中,法律手段、技术手段未因地方政府的异质性表现出明显的门槛特征,而行政手段在政府规模较小(地方财力不足)地区的减排效果显著,经济手段在政府规模较大(地方财力雄厚)地区的减排效果显著。

Based on the panel data of 30 provinces in China from 1996 to 2014,four types,namely economic,legislation,technical and administrative means,of environmental regulation are measured.From the result of threshold effect,it is found that the intensity of environmental regulation really varies with the means of environmental regulation.Among them,legal means and technical means do not show obvious threshold characteristics due to the heterogeneity of local governments,while administrative means have significant emission reduction effect in small-scale areas of government,and economic means have significant emission reduction effect in developed areas.