We study the causes of "nutritional inequality": why the wealthy eat more healthfully than the poor in the U.S. Exploiting supermarket entry, household moves to healthier neighborhoods, and purchasing patterns among households with identical local supply, we reject that neighborhood environments...

We examine whether relaxing occupational licensing to allow nurse practitioners (NPs) - registered nurses with advanced degrees - to prescribe medication without physician oversight is associated with improved population mental health. Exploiting time-series variation in independent prescriptive...

The difficulties that Medicaid beneficiaries face accessing medical care are often attributed to the program's low reimbursement rates relative to other payers. There is little evidence, however, as to the actual effects of Medicaid doctor payment rates on access and health outcomes for...

While over 240,000 American students experienced a school shooting in the last two decades, little is known about the impacts of these events on the mental health of surviving youth. Using large-scale prescription data from 2006 to 2015, we examine the effects of 44 school shootings on youth...