This study estimates causal effects of traffic congestion on air quality in local areas within a city, highlighting spatial variations in local traffic, local air pollution, and health risks to residents due to local pollutant exposure. We employ a large size taxi driving trajectory data to...

We identify the contemporaneous effects of PM2.5 concentrations on medical costs in Beijing by analyzing datasets that combine daily air quality indexes over a four-year period with detailed records of all hospital visits and medical transactions of beneficiaries of a government medical...