Like other countries seeking a progressive path to universalism, Peru has attempted to reduce inequalities in access to healthcare by granting the poor entitlement to tax-financed basic care without charge. We identify the impact of this policy by comparing the target populationś change in...

The Affordable Care Act included a provision to eliminate the Medicare prescription drug coverage gap. The policy was phased in by gradually diminishing the gap each year between 2011-2020. This provides a natural experiment to conduct an in-depth study of how the policy affected medication use,...

Doctors and hospitals in the United States serve patients covered by many types of insurance. This overlap in the supply of health care services means that changes in the prices paid or the volume of services demanded by one group of patients may affect other patient groups. This paper examines...