Over the last few decades, health care services in the United States have become more centralized. We study how the loss of hospital-based obstetric units in over 400 rural counties affect maternal and infant health via a difference-in-differences design. We find that closures lead to...

The Affordable Care Act (ACA) is one of the most important reforms of the US health insurance system since the introduction of Medicare. Since employment is a main source of health insurance for the working age population in the United States, this sweeping health insurance reform also has...

The regulated insurance exchanges set up in the Affordable Care Act (ACA) were designed to deliver affordable, efficient health coverage through private insurers. It is crucial to study the complex industrial organization (IO) of these exchanges in order to assess their impacts to date, during...

State governments face the classic "make or buy" decision for the provision of Medicaid services. Over the past two decades, the majority of states have outsourced the provision of social health insurance through Medicaid Managed Care (MMC) programs. These programs have been extensively studied...

In 2010, the Affordable Care Act (ACA) mandated that private insurance plans extend coverage to adult dependents under the age of 26. We hypothesize that this policy may have had the unintended consequence of increasing "job lock" among parents who would otherwise leave their employer. We use a...

There is substantial evidence that cost-sharing in medical care constrains total health spending. However, there is relatively little (and unclear) evidence on its health effects, particularly in low- and middle-income countries. This paper re-evaluates the link between outpatient cost-sharing...

This study analyzes the impact of COVID-19 deniers on the spread of COVID-19 in Germany. In a first step, we establish a link between regional proxies of COVID-19 deniers and infection rates. We then estimate the causal impact of large anti-lockdown protests on the spread of COVID-19 using an...

HIV/AIDS has been one of the largest public health crises in recent history, and the U.S. federal government has spent hundreds of billions of dollars fighting the disease. This study examines the impact of federal funding allocated to U.S. cities through the Ryan White CARE Act, which is the...

The COVID-19 pandemic increased pressure on the relationship between governments and the public, making cooperation between both actors more critical than ever. Surprisingly, there is significant variation in public compliance with health policies, especially regarding vaccine uptake across...