空气污染
空气质量指数
面板数据
生产力
污染
估计
机制(生物学)
公制(单位)
心理学
经济
环境卫生
计量经济学
地理
气象学
医学
经济增长
生态学
运营管理
管理
哲学
认识论
生物
作者
Anthony Heyes,Mingying Zhu
标识
DOI:10.1016/j.jeem.2019.07.002
摘要
We provide first evidence of a link from daily air pollution exposure to sleep loss in a panel of Chinese cities. We develop a social media-based, city-level metric for sleeplessness, and bolster causal claims by instrumenting for pollution with plausibly exogenous variations in wind patterns. Estimates of effect sizes are substantial and robust. In our preferred specification a one standard deviation increase in AQI causes an 11.6% increase in sleeplessness, and for PM2.5 is 12.8%. The results sustain qualitatively under OLS estimation but are attenuated. The analysis provides a previously unaccounted for benefit of more stringent air quality regulation. It also offers a candidate mechanism in support of recent research that links daily air quality to diminished workplace productivity, cognitive performance, school absence, traffic accidents, and other detrimental outcomes.
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