Have recreational marijuana laws undermined public health progress on adult tobacco use?

Dhaval Dave, Yang Liang, Michael Pesko, Serena Phillips and Joseph J. Sabia

Journal of Health Economics, 2023, vol. 90, issue C

Abstract: Public health experts caution that legalization of recreational marijuana may normalize smoking and undermine the decades-long achievements of tobacco control policy. However, very little is known about the impact of recreational marijuana laws (RMLs) on adult tobacco use. Using newly available data from the Population Assessment of Tobacco and Health (PATH) and dynamic difference-in-differences and discrete-time hazard approaches, we find that RML adoption increases prior-month marijuana use among adults ages 18-and-older by 2-percentage-points, driven by an increase in marijuana initiation among prior non-users. However, this increase in adult marijuana use does not extend to tobacco use. Rather, we find that RML adoption is associated with a lagged reduction in electronic nicotine delivery systems (ENDS) use, consistent with the hypothesis that ENDS and marijuana are substitutes. Moreover, auxiliary analyses from the National Survey on Drug Use and Health (NSDUH) show that RML adoption is associated with a reduction in adult cigarette smoking. We conclude that RMLs may generate tobacco-related health benefits.

Keywords: Recreational marijuana laws; Tobacco use; Cigarettes; Electronic cigarettes; Dynamic difference-in-differences; Discrete-time hazard models (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Working Paper: Have Recreational Marijuana Laws Undermined Public Health Progress on Adult Tobacco Use? (2022)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jhecon:v:90:y:2023:i:c:s0167629623000334

DOI: 10.1016/j.jhealeco.2023.102756

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