Over the past four decades, more than 2,300 people have been the victims of mass shootings involving a firearm in the United States. Research shows that mass shootings have significant detrimental effects on the direct victims and their families. However, relatively little is known about the...

It is frequently assumed that safe storage gun laws reduce accidental gun deaths and total suicides, while the possible impact on crime rates are ignored. However, given existing work on the adverse impact of other safety laws, such as safety caps for storing medicine, even the very plausible...

In response to growing abuse of prescription opioid painkillers, 50 U.S. states have implemented electronic prescription drug monitoring programs (PDMPs) that record patients into a state-wide registry when a prescription opioid is received. This paper uses a difference-in-differences regression...

This paper studies the effects of legislation in Brazil that banned concealed carry nationwide in 2003, and provided for a voter referendum 22 months later regarding whether to ban the sale of all firearms. Using a regression discontinuity design, I find that gun-related homicides decreased by...