空气污染、排污权交易与区域环境质量提高
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国家社会科学基金研究项目“建立健全政府、企业、公众共治的环境治理体系研究”(18BJY092).


Air Pollution,Emission Trading and Improvement of Regional Environmental Quality
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    摘要:

    21世纪初,中国开始探索 SO2排放权交易政策在中国的可行性,并逐步在不 同省市开展了试点工作.基于2000-2016年的省级样本,选取各省(市)被批准为国家SO2 排放权交易试点地区的确切时间作为政策干预时间点,采用多期 DID 和 PSMGDID 方法对 SO2排放权交易试点政策的减排效果进行评估.研究发现:第一,SO2排放权交易试点政策 显著降低了试点地区的工业SO2排放强度,提高了区域大气环境质量,且该结论稳健可靠; 第二,SO2排放权交易制度通过污染末端治理与生产前端管控这两种污染治理方式实现了 减排,且这些作用途径对SO2这一污染物具有极强的针对性;第三,若试点地区的政府环境 治理意愿越强,但政府实际环境治理力度越弱,则SO2排放权交易制度能发挥出更大的减排 效应,同时高度市场化地区的大气质量改善效果更为明显.提出应加强排污权交易制度的针 对性、指向性和引导性,各试点地区因地制宜,充分发挥出市场型环境规制工具的减排潜力.

    Abstract:

    At the beginning of the 21st century,China’s central government began to explore the feasibility of SO2 emission trading policy in China,and gradually carried out SO2 emission trading policy pilot in different provinces and cities. Based on the provincial samples from 2000 to 2016,this paper selects the exact time when each province (city) is approved as the national SO2 emission trading pilot unit as the policy intervention time point and evaluates the emission reduction effect of SO2 emission trading policy using the Timevarying DID and PSMDID method. There are three results shown below:First and foremost,the SO2 emission trading policy has significantly reduced the industrial SO2 emission intensity in the pilot area,and improved regional environmental quality,and the conclusion is stable and reliable. Besides,the SO2 emission trading policy achieved emission reduction effect through two pollution control methods,which are the pollution end treatment and production frontend control,and these action paths have strong pertinence to SO2. Last but not least,if the government’s willingness to environmental governance in the pilot areas is stronger,but the actual intensity of environmental governance is weaker,the SO2 emission trading system can play a greater role in reducing emissions,and the improvement of air quality in highly marketoriented areas is more obvious. Therefore,this paper argues that the pertinence,directivity and guidance of emission trading system should be strengthened,and the pilot areas should adjust measures according to local conditions to give full play to the emission reduction potential of marketoriented environmental regulation tools.

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董 平,杨艳琳.空气污染、排污权交易与区域环境质量提高[J].华中农业大学学报(社会科学版),2021(6):101-109

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  • 在线发布日期: 2021-11-20
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