作者：He, Jiaxiu; Gouveia, Nelson; Salvo, Alberto
作者单位：National University of Singapore; Western University (University of Western Ontario); Universidade de Sao Paulo
摘要：The medical literature documents adverse health effects of acute exposure to diesel exhaust, yet quasi-experimental evidence of a policy intervention sustained over months at the scale of a metropolis is lacking. Exploiting the inauguration of a beltway that removed 20,000 cargo trucks passing daily through inner-city roads in Sao Paulo, we examine the spatially differentiated impacts on the megacity's traffic, air quality and public health. We combine rich panel data on road congestion, ambie...
