梁平汉，中山大学政治与公共事务管理学院教授，博士生导师，西班牙巴塞罗那自治大学经济学博士。研究领域为博弈论、实验经济学、政治经济学、发展经济学等。曾在Games and Economic Behavior, Journal of Comparative Economics, Review ofDevelopment Economics, 《经济研究》《管理世界》《经济学》（季刊）《世界经济》等国内外权威核心学术期刊上独立（第一作者）发表论文十余篇。获教育部高等院校青年教师奖，入选“第十一批四川省学术和技术带头人后备人选”，主持国家自然科学基金项目。

Abstract：

This paper investigates the causal impact of public attentions from social media on firms pollutants emissions. The unexpected release and short-lived circulation of the environmental documentary Under the Dome in China, 2015, offers a natural experiment. We use the number of microblog posts about the documentary to measure public attentions. Based a comprehensive firm-level dataset, we find that more public attentions in a city are positively associated with significantly more abatement of major pollutants. Instrumental variable estimation based on the coverages in the documentary confirms the sizable effect of public attentions. We combine multiple datasets on the behavior of individuals, firms, and governments, and suggest three channels: individual environmental awareness; consumers pressures on firms; and public pressures on local authorities. In particular, public attentions lead to more environmental complaints on social media and government petition platform, consequently stricter enforcement of environmental regulations.

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