Medical Marijuana Laws and Illegal Marijuana Use

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 among non-patients. In this paper, I address that question empirically by studying marijuana possession arrests in cities from 1988 to 2008. I estimate fixed effects models with city-specific time trends that can condition on unobserved heterogeneities across cities in both their levels and trends. I find that these laws increase marijuana arrests among adult males by about 15-20%. These results are further validated by findings from data on treatment admissions to rehabilitation facilities: marijuana treatments among adult males increased by 10-20% after the passage of medical marijuana laws.

History

Preferred citation

Chu, Y. (2014). Medical Marijuana Laws and Illegal Marijuana Use. Journal of Health Economics, 38, 43-61. https://doi.org/10.1016/j.jhealeco.2014.07.003

Journal title

Journal of Health Economics

Volume

38

Publication date

2014-12-01

Pagination

43-61

Publisher

Elsevier BV

Publication status

Published

Contribution type

Article

Online publication date

2014-08-04

ISSN

0167-6296

eISSN

1879-1646

Language

en

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