Marijuana Law, Policy & Reform

Editor: Douglas A. Berman
Moritz College of Law

Tuesday, September 20, 2016

"Smoke Gets in Your Eyes: Medical Marijuana Laws and Tobacco Use"

The title of this post is the title of this notable new empirical paper authored by Anna Choi, Dhaval Dave and Joseph Sabia now available via SSRN. Here is the abstract:

This study comprehensively examines whether medical marijuana laws (MMLs) have affected the trajectory of a decades-long decline in adult tobacco use in the United States.  Using data from three large national datasets — the Behavioral Risk Factor Surveillance Survey (BRFSS), the Current Population Survey Tobacco Use Supplements (CPS-TUS), and the National Survey of Drug Use and Health (NSDUH) — we estimate the relationship between MMLs and cigarette consumption.

Our results show that the enactment of MMLs between 1990 and 2012 are associated with a 0.3 to 0.7 percentage-point reduction in tobacco consumption among US adults, though this estimate is somewhat sensitive to controls for state-specific linear time trends.  These findings suggest that tobacco and marijuana are substitutes for many users.  However, this average response masks heterogeneity in the effects of MMLs among early versus late-adopting states and across the age distribution.

http://lawprofessors.typepad.com/marijuana_law/2016/09/smoke-gets-in-your-eyes-medical-marijuana-laws-and-tobacco-use.html

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