This paper estimates the causal effect of police on traffic fatalities and injuries. Due to simultaneity, estimating the causal effect of police on crime is often difficult. We overcome this obstacle by focusing on a mass layoff of Oregon State Police in February of 2003, stemming from changes...

Problem: Limited literature suggests that gasoline prices have substantial effects on reducing fatal crashes. However, the literature focuses only on fatal crashes and does not examine the effects on all traffic crashes.Methods: Mississippi traffic crash data from April 2004-December 2008 from...

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...

In this study, we explore the impact of the COVID-19 pandemic on road accidents, road injuries, and road fatalities in Mexico. We use national administrative road safety records that include road accidents in urban and suburban areas of Mexico over 2017 to 2020. Employing a state-level monthly...

Drivers have been running an "arms race" on American roads by buying increasingly heavy vehicles such as SUVs, vans and light trucks. An important reason for the popularity of large vehicles is that families view them as providing better protection to their occupants if a crash occurs. But when...