Drug control policy can have unintended consequences by pushing existing users to alternative, possibly more dangerous substances. Policies that target only new users may therefore be especially promising. Using commercial insurance claims data, we provide the first evidence on a set of new...

The purpose of this study is to examine the question of whether alcohol or drug use causes teenagers to engage in violent behaviors as measured by physical fighting, carrying a gun, or carrying other types of weapons. Simple OLS estimation of the effects of drug and alcohol consumption on...

This purpose of this paper is to examine the causal impact of substance use on risky sexual behaviors by teenagers. Risky sexual behaviors, which include unprotected sex and multiple partners, are highly correlated with alcohol and illicit drug use, although the nature of the causal relationship...

A large concern in U.S. opioid policy is whether supply side controls are effective at reducing the quantity of opioids prescribed, without harmful substitution. An unstudied way that policy targeted a major opioid through the federal Controlled Substance Act (CSA) was the August 2014 scheduling...