We provide new insights regarding the finding that Medicaid increased emergency department (ED) use from the Oregon experiment. We find meaningful heterogeneous impacts of Medicaid on ED use using causal machine learning methods. The treatment effect distribution is widely dispersed, and the...

We provide new insights regarding the finding that Medicaid increased emergency department (ED) use from the Oregon experiment. We find meaningful heterogeneous impacts of Medicaid on ED use using causal machine learning methods. The treatment effect distribution is widely dispersed, and the...

We use four states that were early adopters of Medicaid expansion to study how this expansion affects enrollment and access to physicians for Medicaid enrollees. We use the universe of Medicaid enrollment and claims data to construct state-month-level measures of enrollment, enrollee...

During the 1990s and early 2000s many states expanded Medicaid eligibility for parents particularly after the 1996 welfare reform. At the same time, welfare reform also put in place policies that limited the eligibility of recent immigrants for public programs including Medicaid. This paper...

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...

Capitation payment models have been increasingly adopted by the payers in the U.S. healthcare market during the past decade. However, healthcare services provided in Medicare Advantage (MA), the largest capitation program in the U.S., have been suggested to be more appealing to healthier...

In 2007, the state of Andhra Pradesh in southern India began rolling out the Aarogyasri health insurance to reduce catastrophic health expenditures in households “below the poverty line.” We exploit variation in program roll-out over time and districts to evaluate the impacts of the scheme...

This paper investigates the short-run impact of public insurance expansion under the Affordable Care Act on out-of-pocket medical spending (OOP) and risk exposure among low-income, eligible households as well as the incidence of the cost of providing insurance. Using data from the Medical...