Despite efforts to address the opioid crisis, opioid-related overdoses remain a significant contributor to mortality. State efforts to reduce overdose deaths by removing barriers to naloxone have recently focused on pharmacy channels, but the specifics of these laws and the contexts in which...

This paper studies the impact of legal medical marijuana markets on the decision to quit marijuana use. We distinguish between de jure legalization, where dispensaries are legally protected, and de facto legalization, where dispensaries operate in the absence of laws protecting them. Geographic...

Recent evidence suggests that the short-term transition of the opioid crisis from prescription opioids to heroin can be attributed to the reformulation of OxyContin, which substantially reduced access to abusable prescription opioids. In this paper, we find that over a longer time horizon,...