The Affordable Care Act (ACA) aimed to achieve nearly universal health insurance coverage in the United States through a combination of insurance market reforms, mandates, subsidies, health insurance exchanges, and Medicaid expansions, most of which took effect in 2014. This paper estimates the...

Objective: To study how changes in insurance benefit design affect medication use of older adults with mental disorders.Data sources: US Medicare claims data from 2007 to 2018.Study Design: We focus on the gradual elimination of the Medicare prescription drug coverage gap beginning in 2011, and...

This paper presents the first national estimates of the effects of the SCHIP expansions on insurance coverage. Using CPS data on insurance coverage during the years 1996 through 2000, we estimate two-stage least squares regressions of insurance coverage. We find that SCHIP had a small, but...