We investigate the role of physician agency and competition in determining health care supply and patient outcomes. A 2005 change to Medicare fees had a large, negative impact on physician profit margins for providing chemotherapy treatment. In response to these cuts, physicians increased their...

Can financial incentives, public health messages and other behavioral nudges -approaches deployed by state and local governments, employers, and health systems - increase SARS-CoV-2 vaccination rates among the vaccine hesitant in the US? In mid-2021, we randomly assigned unvaccinated members of...

We investigate the role of physician agency and competition in determining health care supply and patient outcomes. A 2005 change to Medicare fees had a large, negative impact on physician profit margins for providing chemotherapy treatment. In response to these cuts, physicians increased their...

Do urban hospital closures affect health care access or health outcomes? We study closures in Los Angeles County between 1997 and 2003, through their effect on distance to the nearest hospital. We find that increased distance to the nearest hospital shifts regular care away from emergency rooms...

"Accountability mandates" -- the explicit linking of school funding, resources, and autonomy to student performance on standardized exams -- have proliferated in the last 10 years. In this paper, we examine California's accountability system, which for several years financially rewarded schools...

In order to encourage anti-drug policing, both the federal government and many state governments have enacted laws that allow police agencies to keep a substantial fraction of assets that they seize in drug arrests. By adjusting their own allocations to police budgets, however, county...