Public Health Insurance and Prescription Medications for Mental Illness

Johanna Maclean, Cook Benjamin, Carson Nicholas and Michael Pesko
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Cook Benjamin: Harvard Medical School, Boston, MA, USA
Carson Nicholas: Harvard Medical School, Boston, MA, USA

The B.E. Journal of Economic Analysis & Policy, 2019, vol. 19, issue 1, 25

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.

Keywords: mental illness; prescription medications; healthcare; insurance (search for similar items in EconPapers)
JEL-codes: I1 I13 I18 (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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DOI: 10.1515/bejeap-2018-0067

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