We study age-rating restrictions in the health insurance marketplaces introduced by the Affordable Care Act. Because most buyers are subsidized, although age-rating restrictions affect pre-subsidy premiums, participation is primarily driven by subsidy generosity rather than pricing decisions....

We estimate the effect of the Affordable Care Act Medicaid expansion on county-level mortality in the first four years following expansion. We find a reduction in all-cause mortality in ages 20 to 64 equaling 11.36 deaths per 100,000 individuals, a 3.6 percent decrease. This estimate is largely...

Enacted in 2010, the Patient Protection and Affordable Care Act (ACA) has reshaped U.S. health policy. Yet overall opinions on the law remained relatively stable during the few years before and after enactment. In a polarized era, can the implementation of a complex program such as the ACA...

We examine the early effects of U.S. state Medicaid expansions under the Affordable Care Act (ACA) on substance use disorder (SUD) treatment utilization. We couple administrative data on admissions to specialty SUD treatment and prescriptions for medications used to treat SUDs in outpatient...

This study analyzes the effects of the 2014 Affordable Care Act (ACA) Medicaid expansion on the subjective well-being of individuals in the United States. Using data from the Panel Study of Income Dynamics, we find that the expansion has significantly improved the overall life satisfaction of...

This paper examines how health insurance affects labor supply by exploiting a quasi-experimental change in health insurance provision under the Affordable Care Act (ACA) early Medicaid expansion in Connecticut implemented in 2010. Applying an instrumental variables approach to a...

We studied the impact of Affordable Care Act navigator programs on health insurance coverage, using the 80% cut in program funding under the Trump administration as a natural experiment. Our study design exploited county-level differences in the navigator program prior to funding cuts. We did...

We examine the early effects of U.S. state Medicaid expansions under the Affordable Care Act (ACA) on substance use disorder (SUD) treatment utilization. We couple administrative data on admissions to specialty SUD treatment and prescriptions for medications used to treat SUDs in outpatient...

Did Medicaid expansion under the Affordable Care Act affect the course of the COVID-19 pandemic? We answer this question using a regression discontinuity design for counties near the borders of states that expanded Medicaid with states that did not. Relevant covariates change continuously across...

The first major insurance expansion of the Affordable Care Act – a provision requiring insurers to allow dependents to remain on parents’ health insurance until turning 26 – took effect in September 2010. We estimate this mandate’s impacts on numerous health-related outcomes using a...