President Barack Obama signed the Affordable Care Act (ACA) in 2010 with no Republican support. The ACA has been politically divisive ever since, with the House repeatedly voting for repeal. Earlier this year, Congress successfully passed a repeal, with the Senate using a legislative process...

The COVID-19 pandemic has delivered an unprecedented shock to the United States and the world. It is unclear precisely how long the twin crises, epidemiological and economic, will last, and it is difficult to gauge the extent and direction of the changes in American life these crises will cause....

We study how legal and financial incentives affect medical decisions. Using patient-level data, we identify the effect of a change in medical liability pressure exploiting the geographical distribution of hospitals across court districts, where some districts improve the certainty of expected...

We study over 20 million emergency room (ER) discharges in Massachusetts and three comparison states to estimate the impact of Massachusetts health care reform on claims for Workers' Compensation (WC). Prior evidence on the relationship between health insurance and WC claiming behavior is mixed....

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....

This study contributes to the literature on supply-side adjustments to insurance expansions by examining the effect of the Affordable Care Act (ACA) on ambulance response times. Exploiting temporal and geographic variation in the implementation of the ACA as well as pre-treatment differences in...

Expanding insurance coverage could, by insulating patients from having to pay full cost, encourage the utilization of arguably unnecessary medical services. It could also eliminate (or at least diminish) the need for emergency services through increasing access to preventive care. Using publicly...

A major benefit of health insurance coverage is that it protects the insured from unexpected medical costs that may devastate their personal finances. In this paper, we use detailed credit report information on a large panel of individuals to examine the effect of a major health care reform in...

This study contributes to the literature on supply-side adjustments to insurance expansions by examining the effect of the Affordable Care Act (ACA) on ambulance response times. Exploiting temporal and geographic variation in the implementation of the ACA as well as pre-treatment differences in...

Expanding insurance coverage could, by insulating patients from having to pay full cost, encourage the utilization of arguably unnecessary medical services. It could also eliminate (or at least diminish) the need for emergency services through increasing access to preventive care. Using publicly...