This paper investigates the consequences that patients face when their regular primary care provider closes down her … practice, typically due to retirement. We estimate the causal impact of closures on patients' utilization patterns, medical … expenditures, hospitalizations, and health plan choice. Employing a difference-in-difference framework, we find that patients who …

through 2004, we find that patients with high-risk health conditions and specialized physicians match relatively frequently in … disincentives to refer between firms are greatest. We rely on the random assignment of weekend patients to physicians due to on … is large and is due primarily to matching patients without a particular health condition to physicians who tend to avoid …

neglect the competition between health care providers for patients which is crucial for medical quality. This third field of …

patient demand. The model is identified by migration of patients and physicians across areas, as well as by variation in … within-area matching. We find that physicians vary greatly in the intensity with which they treat otherwise similar patients …We study the role of physicians in driving geographic variation of US healthcare utilization. We estimate a model that …

We study how competition between physicians affects the provision of medical care. In our theoretical model physicians … are faced with a heterogeneous patient population, in which patients systematically vary with regard to both, their … benefits as long as patients are able to respond to the quality provided. For those patients, who are not able to choose a …

context of Norway's system for allocating patients to general practitioners (GPs). We provide direct evidence of misallocation … under the current system--patients sitting on waitlists for each others' GPs, but who cannot trade--and analyze an …--with especially large benefits for female patients and recent movers--patients endowed with undesirable GPs would be harmed …