题目：The Human Impacts of Air Pollution: Three Studies Using Internet Metrics

主讲人：朱明英，南京大学

时间：2020年3月27日，13:30-15:00

举办方式：线上讲座

   朱明英，经济学博士，现任南京大学商学院产业经济学系助理教授，2019年毕业于加拿大渥太华大学人文社科学院经济学系，主要研究领域为环境经济学、计量经济学、健康经济学、行为经济学和应用经济学，重点关注中国、印度及印度尼西亚等发展中国家的环境污染及气候变化问题。现阶段研究成果主要通过运用大数据处理方法，分析市民的互联网行为，探究短期暴露于空气污染与包括失眠、呼吸道疾病及精神疾病等多种健康问题的因果效应。最新研究论文发表于环境经济学领域国际期刊Journal of Environmental Economics and Management。

   The presentation is related to three studies which investigate the causal link from short-term air pollution to a series of novel outcome variables. In particular, (1) sleep quality, (2) cough, and (3) plans to migrate. Each study is based on China, where poor air quality is widely-understood to be an important social issue, focusing on fine particulate matter (PM2.5) and the multi-pollutant Air Quality Index (AQI). For dependent variables in each case, I exploit data derived from internet behavior: In particular search behavior on the very widely-used Baidu search engine and posts on the ubiquitous social media site Weibo. Data is scraped and used to develop pertinent proxies in each case. In each chapter causal claims are bolstered by the use of instrumental variables (IV) methods, in order to address endogeneity concerns. Results in each study are highly statistically significant, prove to be resilient in a wide array of robustness tests and falsification exercises, and are substantial in size. My analysis further broadens and deepens our understanding of the various ways in which the air pollution levels seen in Chinese cities, and in many other parts of the world, can damage human well-being, and identifies previously unaccounted-for benefits of more stringent regulation of air quality.

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