Commentary to: "Medical marijuana laws and adolescent marijuana use in the United States: A systematic review and meta-analysis"Past-month marijuana use among adolescents does not increase after the passage of medical marijuana laws in the U.S. It is crucial for future research to explore causal...

Twenty-three states and the District of Columbia have passed medical marijuana laws. Previous research shows that these laws increase marijuana use among adults. In this paper, we estimate the effects of medical marijuana laws (MML) on secondary and post-secondary students' time use using time...

Twenty-three states and the District of Columbia have passed medical marijuana laws. Previous research shows that these laws increase marijuana use among adults. In this paper, we estimate the effects of medical marijuana laws (MML) on secondary and post-secondary students' time use using time...

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...

More and more states have passed laws that allow individuals to use marijuana for medical purposes.There is an ongoing, heated policy debate over whether these laws have increased marijuana use amongnon-patients. In this paper, I address that question empirically by studying marijuana possession...