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Public Health Insurance and Prescription Medications for Mental Illness

Author

Listed:
  • Maclean Johanna Catherine

    () (Economics, Temple University, Philadelphia, PV, USA)

  • Cook Benjamin
  • Carson Nicholas

    (Harvard Medical School, Boston, MA, USA)

  • Pesko Michael F

    (Georgia State University Andrew Young School of Policy Studies, Atlanta, United States of America)

Abstract

Mental illnesses are prevalent in the United States and globally. Cost is a critical barrier to treatment receipt. We study the effects of the Affordable Care Act's recent expansion of Medicaid, a public insurance system for the poor in the U.S., on psychotropic prescription medications for mental illness. We estimate differences-in-differences models using administrative data on medications for which Medicaid was a third-party payer over the period 2011–2017. Our findings suggest that these expansions increased psychotropic prescriptions by 21.0%. We show that Medicaid, and not patients, financed these prescriptions. For states expanding Medicaid, the total cost of these prescriptions was $28.0 M by the second quarter of 2017. Expansion effects were experienced across most major mental illness categories and across states with different levels of patient need, system capacity, and expansion scope. We find no statistically significant evidence that Medicaid expansion reduced mental illness.

Suggested Citation

  • Maclean Johanna Catherine & Cook Benjamin & Carson Nicholas & Pesko Michael F, 2019. "Public Health Insurance and Prescription Medications for Mental Illness," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 19(1), pages 1-25, January.
  • Handle: RePEc:bpj:bejeap:v:19:y:2019:i:1:p:25:n:7
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    More about this item

    Keywords

    mental illness; prescription medications; healthcare; insurance;

    JEL classification:

    • I1 - Health, Education, and Welfare - - Health
    • I13 - Health, Education, and Welfare - - Health - - - Health Insurance, Public and Private
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health

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