This study examines the effects of U.S. state-level marijuana policies on mental health. Using data from three nationally representative data sets and estimating difference-in-differences models that account for the staggered implementation of both medical and recreational marijuana legislation,...

Conditional on a set population of opioid-dependents, opioid fatalities are a function of the total quantity available and the ease of accessing that quantity. While other studies examine policy changes affecting aggregate supply, I focus on the effects of easing access by changing the trade...

More than a dozen Federal policy changes since the year 2000 have affected incentives to prescribe, manufacture, and purchase both prescription and illicitly-manufactured opioids. To the extent that one of the policies, the 2013 “Holder memo,” had a meaningful effect on the cost structure of...