This article studies the political economy determinants of medical marijuana laws (MMLs) using a new empirical classification of states' underlying views on medical marijuana (MM). It finds that the proportion of Republican voters is negatively associated with a Mixed Supply legal class in which the set of laws, nearly always passed by the state legislature, permit various modes of supply (e.g. home cultivation, dispensaries, state-authorized, and/or "appropriate supply"). It also finds that increases in the self-reported proportion of Republican voters increases the likelihood of having a Home Remedy legal framework — the legal class characterized by voters passing ballot initiatives in which home cultivation is always (and usually the only) permissible form of supply, patient registration is recommended, and MM may be used for the narrowest definition of pain.
The research described in this report was prepared for the National Institute on Drug Abuse was conducted by RAND Health and RAND Justice, Infrastructure, and Environment (JIE).
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