We measure inequities from the COVID-19 pandemic on mortality and hospitalizations in the
United States during the early months of the outbreak. We discuss challenges in measuring …

The health care safety net provides essential clinical care and social services for low-
income, uninsured, and underinsured populations in the United States. Despite these …

Competition in health insurance markets may fail to improve health outcomes if consumers
are not able to identify high-quality plans. We develop and apply a novel instrumental …

Over the last few decades, health care services in the United States have become more
geographically centralized. We study how the loss of hospital-based obstetric units in over …

US policy increasingly ties payments for providers to performance on quality measures,
though little empirical evidence guides the design of such incentives. I deploy administrative …

Primary care physicians (PCPs) provide frontline health care to patients in the US; however,
it is unclear how their practice styles affect patient care. In this paper, we estimate the long …

High-speed internet has increased the amount of information available in health care
markets. Online information may improve health outcomes if it reduces information frictions …

High and increasing hospital prices could reflect market imperfections, including provider
concentration. Yet high prices could also reflect increased willingness to pay by privately …

We develop a stylized model that allows us to estimate a value-added measure for nursing
homes (“SNFs”) which accounts for patient selection both into and out of a SNF. We use the …

We study how closures of maternity wards affect maternal and neonatal health. Using data
on all hospital births in Sweden between 1990 and 2004, we compare changes in birth …