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Effects of state medical marijuana laws on adolescent marijuana use

Author

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  • Lynne-Landsman, S.D.
  • Livingston, M.D.
  • Wagenaar, A.C.

Abstract

Objectives. Medical marijuana laws (MMLs) have been suggested as a possible cause of increases in marijuana use among adolescents in the United States. We evaluated the effects of MMLs on adolescent marijuana use from 2003 through 2011. Methods. We used data from the Youth Risk Behavior Survey and a differencein-differences design to evaluate the effects of passage of state MMLs on adolescent marijuana use. The states examined (Montana, Rhode Island, Michigan, and Delaware) had passed MMLs at different times over a period of 8 years, ensuring that contemporaneous history was not a design confound. Results. In 40 planned comparisons of adolescents exposed and not exposed to MMLs across states and over time, only 2 significant effects were found, an outcome expected according to chance alone. Further examination of the (nonsignificant) estimates revealed no discernible pattern suggesting an effect on either self-reported prevalence or frequency of marijuana use. Conclusions. Our results suggest that, in the states assessed here, MMLs have not measurably affected adolescent marijuana use in the first few years after their enactment. Longer-term results, after MMLs are more fully implemented, might be different. © 2013 American Journal of Public Health.

Suggested Citation

  • Lynne-Landsman, S.D. & Livingston, M.D. & Wagenaar, A.C., 2013. "Effects of state medical marijuana laws on adolescent marijuana use," American Journal of Public Health, American Public Health Association, vol. 103(8), pages 1500-1506.
    • Handle: RePEc:aph:ajpbhl:10.2105/ajph.2012.301117_2
    DOI: 10.2105/AJPH.2012.301117
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    Citations

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    Cited by:

    1. Hefei Wen & Jason Hockenberry & Janet R. Cummings, 2014. "The Effect of Medical Marijuana Laws on Marijuana, Alcohol, and Hard Drug Use," NBER Working Papers 20085, National Bureau of Economic Research, Inc.
    2. Meinhofer, Angélica & Witman, Allison E. & Hinde, Jesse M. & Simon, Kosali, 2021. "Marijuana liberalization policies and perinatal health," Journal of Health Economics, Elsevier, vol. 80(C).
    3. Ali Palali & Jan C. van Ours, 2015. "Distance to Cannabis Shops and Age of Onset of Cannabis Use," Health Economics, John Wiley & Sons, Ltd., vol. 24(11), pages 1483-1501, November.
    4. Carrieri, Vincenzo & Madio, Leonardo & Principe, Francesco, 2020. "Do-It-Yourself medicine? The impact of light cannabis liberalization on prescription drugs," Journal of Health Economics, Elsevier, vol. 74(C).
    5. Anderson, D. Mark & Rees, Daniel I., 2021. "The Public Health Effects of Legalizing Marijuana," IZA Discussion Papers 14292, Institute of Labor Economics (IZA).
    6. Yu-Wei Luke Chu, 2015. "Do Medical Marijuana Laws Increase Hard-Drug Use?," Journal of Law and Economics, University of Chicago Press, vol. 58(2), pages 481-517.
    7. Powell, David & Pacula, Rosalie Liccardo & Jacobson, Mireille, 2018. "Do medical marijuana laws reduce addictions and deaths related to pain killers?," Journal of Health Economics, Elsevier, vol. 58(C), pages 29-42.
    8. Mike Langen & Erdal Aydin & Piet Eichholtz & Nils Kok, 2022. "Getting high or getting low? the external effects of coffeeshops on house prices," Real Estate Economics, American Real Estate and Urban Economics Association, vol. 50(2), pages 565-592, June.
    9. Alex Hollingsworth & Coady Wing & Ashley C. Bradford, 2022. "Comparative Effects of Recreational and Medical Marijuana Laws on Drug Use among Adults and Adolescents," Journal of Law and Economics, University of Chicago Press, vol. 65(3), pages 515-554.
    10. Chu, Yu-Wei Luke, 2014. "The effects of medical marijuana laws on illegal marijuana use," Journal of Health Economics, Elsevier, vol. 38(C), pages 43-61.
    11. Gregory Conyers & Ian Ayres, 2020. "A lottery test of the effect of dispensaries on emergency room visits in Arizona," Health Economics, John Wiley & Sons, Ltd., vol. 29(8), pages 854-864, August.
    12. Wen, Hefei & Hockenberry, Jason M. & Cummings, Janet R., 2015. "The effect of medical marijuana laws on adolescent and adult use of marijuana, alcohol, and other substances," Journal of Health Economics, Elsevier, vol. 42(C), pages 64-80.
    13. Susan Averett & Emily Smith, 2019. "Medical marijuana laws and their effect on opioid related mortality," Economics Bulletin, AccessEcon, vol. 39(1), pages 347-357.
    14. Cervený, J. & van Ours, J.C. & Chomynova, Pavla & Mravcik, Viktor, 2015. "Cannabis Decriminalization and the Age of Onset of Cannabis Use," Discussion Paper 2015-007, Tilburg University, Center for Economic Research.
    15. Grant W. Neeley & Lilliard E. Richardson Jr., 2022. "Marijuana Policy Bundles in the American States Over Time and Their Impact on the Use of Marijuana and Other Drugs," Evaluation Review, , vol. 46(2), pages 165-199, April.
    16. Chu, Yu-Wei Luke & Gershenson, Seth, 2018. "High times: The effect of medical marijuana laws on student time use," Economics of Education Review, Elsevier, vol. 66(C), pages 142-153.
    17. Hunt, Priscillia E & Pacula, Rosalie Liccardo & Weinberger, Gabriel, 2018. "High on Crime? Exploring the Effects of Marijuana Dispensary Laws on Crime in California Counties," IZA Discussion Papers 11567, Institute of Labor Economics (IZA).

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