Simple OLS estimates of the effect of school-imposed penalties for drug use on a student's consumption of marijuana are biased if both are determined by unobservable school or individual attributes. The potential reverse causality is also a challenge to retrieving estimates of the causal...

For almost two decades, Virginia has used risk assessment to justify “alternative” nonprison sentences for eligible drug and property offenders. In Study 1, we examined how frequently alternative sentences actually were imposed. We found that alternative sentences were given to only 42% of...

User sanctions influence the legal risk for participants in illegal drug markets. A change in user sanctions may change retail drug prices, depending on how it changes the legal risk to users, how it changes the legal risk to dealers, and the slope of the supply curve. Using a novel dataset with...

The Fair Sentencing Act of 2010 (FSA) affected the U.S. federal mandatory minimum sentencing laws for to crack cocaine offenders, and represented the first Congressional reform of sentencing laws in over 20 years. A primary goal of this legislation was to lessen the harshness of sentences for...

Medical marijuana laws generate significant debate regarding drug policy. For instance, if marijuana is a complement to hard drugs, then these laws would increase the usage not only of marijuana but also of hard drugs. In this paper I study empirically the effects of medical marijuana laws by...

Simple OLS estimates of the effect of school-imposed penalties for drug use on a student's consumption of marijuana are biased if both are determined by unobservable school or individual attributes. The potential reverse causality is also a challenge to retrieving estimates of the causal...