Traffic fatalities are the leading cause of mortality in the United States despite being preventable. While several policies have been introduced to improve traffic safety and their effects have been well documented, the role of transitory health shocks or situational factors at explaining...

Glaeser et al. (2008) argue that the relative distribution of poor and rich households (HHs) in American cities is “strongly” explained by the spatial location of the cities’ public transportation (PT) networks. Among their claims: 1) The broad distribution of poor and rich HHs in the...

Air pollution can lead to traffic accidents either by reducing the road visibility or impacting the driver’s health and cognitive abilities. The objective of this paper is to explore this relationship between air pollution which is measured by PM2.5 and traffic accident which is measured by...