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能源环境经济与管理学术名家讲坛——The effect of time-dependent environmental policy: Evidence from special period regulation in the Chang-Zhu-Tan region, China

发布者:李佳  发布时间:2019-11-26 11:26:05   点击次数:


演讲题目: The effect of time-dependent environmental policy: Evidence from special period regulation in the Chang-Zhu-Tan region, China

演讲嘉宾: 李科 教授

演讲时间:2019126日(周五)下午14:30-17:30

演讲地点:J2-203

主持人:林伯强教授


讲座摘要:

This paper examines the impacts of a time-dependent environmental regulation on air pollution during the autumn and winter by exploiting a quasi-experimental setting where the special period regulation was implemented in the Chang-Zhu-Tan region (CZT, located in Hunan Province in southern China), but not in cities surrounding CZT over the same period. Using hourly level data from 10/1/2014 to 9/30/2017 and employing a difference-in-differences model, we find that the special period regulation significantly reduces PM2.5 concentration, the Air Quality Index and the probability of the occurrence of severely polluted days in CZT. Furthermore, we find that this regulation has significant negative impacts on air pollution in Changsha, but the impacts are not robust in Zhuzhou and Xiangtan. Our results further reveal that the regulation effects are significantly negative across 24 hours during a day, and they temporarily weaken from 12 pm to 2-3 pm. The results suggest that time-dependent environmental regulation is able to complement existing policies aimed at improving air quality during specific periods.

 

个人简介:

李科,华中科技大学数量经济学博士、厦门大学中国能源经济研究中心博士后。现为湖南师范大学数学与计算机科学学院教授、博士生导师。兼任厦门大学能源经济与能源政策协同创新中心、长沙理工大学电价研究中心研究员。研究领域为能源与环境经济学、应用计量经济学。在China Economic Review、Energy Economics、Energy Policy、Applied Energy、Energy、Renewable & Sustainable Energy Reviews等国际SSCI、SCI期刊发表论文近40篇;国内《系统工程理论与实践》、《数理统计与管理》等期刊独立发表论文多篇。Applied Energy, Carbon Management, China Economic Review, Energy, Energy Efficiency, Energy Policy, Journal of Cleaner Production, Science of the Total Environment, Sustainability, Technological Forecasting & Social Change等国际期刊匿名审稿人。