there is substantial variation in the quality of physicians, as measured by patients' post-assignment mortality, in the …, combining rich population-wide register data with random assignment of patients to general practitioners (GPs). We show that … driven by unobserved differences across doctors. Finally, we show that patients are unable to identify who the high …

newly collected data on Medicaid payments to physicians. First, I confirm past results - when Medicaid pays doctors … have adverse health consequences, especially for low-income patients. …

styles of primary care physicians significantly affect the health outcomes of their patients. Using data on the population of … statin users in Denmark and matching patients to their primary care physicians, we show that the physician's ability to …A host of different factors affect health and longevity, ranging from genetic endowments to public policy. Physicians …

Primary care physicians (PCPs) provide frontline health care to patients in the U.S.; however, it is unclear how their … health care utilization by focusing on Medicare patients affected by PCP relocations or retirements, which we refer to as … "exits." Observing where patients receive care after these exits, we estimate event studies to compare patients who switch to …