Ioana Popovici

Department of Sociobehavioral and
Administrative Pharmacy
Nova Southeastern University
3301 College Avenue
Fort Lauderdale, FL 33314-7796

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org

NBER Working Papers and Publications

May 2017The Effects of Health Insurance Parity Laws for Substance Use Disorder Treatment on Traffic Fatalities: Evidence of Unintended Benefits
with Johanna Catherine Maclean, Michael T. French: w23388
Each year, 10,000 individuals die in alcohol-impaired traffic accidents in the United States, while psychoactive drugs are involved in 20% of all fatal traffic accidents. We investigate whether state parity laws for substance use disorder (SUD) treatment have the unintended benefit of reducing fatal traffic accidents. Parity laws compel insurers to cover SUD treatment in private insurance markets, thereby reducing the financial costs of and increasing access to treatment for beneficiaries. We employ over 20 years of administrative data from the national Fatal Accident Reporting System coupled with a differences-in-differences research design to investigate the potential spillover effects of parity laws to traffic safety. Our findings indicate that passage of a state parity law reduces ...
January 2017Health Insurance Expansions and Provider Behavior: Evidence from Substance Use Disorder Providers
with Johanna Catherine Maclean, Elisheva Rachel Stern: w23094
We examine how substance use disorder (SUD) treatment providers respond to private insurance expansions induced by state equal coverage (‘parity’) laws for SUD treatment vis-à-vis general healthcare services. Economic theory suggests that such laws will lead to changes in provider behaviors. We use data on licensed specialty SUD treatment providers in the United States between 1997 and 2010 in a differences-in-differences analysis. During this period, 12 states implemented laws that require equality in coverage for SUD treatment. Following the passage of a state parity law we find that providers are less likely to participate in public markets, are less likely to offer price discounts to patients, and increase the quantity of healthcare provided. Further we find evidence that treatment int...
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