Background: The past decade has seen unprecedented shifts in the cannabis policy
environment, and the public health impacts of these changes will hinge on how they affect …

State-level marijuana liberalization policies have been evolving for the past five decades,
and yet the overall scientific evidence of the impact of these policies is widely believed to be …

We estimate the effect of medical marijuana laws (MMLs) in ten states between 2004 and
2012 on adolescent and adult use of marijuana, alcohol, and other psychoactive …

This paper sheds light on previous inconsistencies identified in the literature regarding the
relationship between medical marijuana laws (MMLs) and recreational marijuana use by …

Background Marijuana policies are rapidly evolving. In the United States, recreational use of
marijuana is now legal in 4 states and medical marijuana is legal in 23 states. Research …

We show that the introduction of medical marijuana laws (MMLs) leads to a decrease in
violent crime in states that border Mexico. The reduction in crime is strongest for counties …

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 …

Twenty-three states and the District of Columbia have passed laws implementing medical
marijuana programs. The nineteen programs that were in operation as of October 2014 …

Most US states have passed medical marijuana laws. In this paper, we study the effects of
these laws on violent and property crime. We first estimate models that control for city fixed …

As of January 2016, 23 US states and the District of Columbia have legalized medical or
nonmedical cannabis, with more likely to follow. This dynamic policy context represents a …