physicians' behavior. Medical students decide as experimental physicians on the quantity of medical services. Real patients gain …. Financial incentives are not the only motivation for physicians' quantity decisions, though. The patient benefit is of … physicians are paid by FFS. -- Physician payment system ; laboratory experiment ; incentives ; fee-for-service ; capitation …

We explore how competition between physicians affects medical service provision. Previous research has shown that …, without competition, physicians deviate from patient-optimal treatment under payment systems like capitation and fee …-for-service. While competition might reduce these distortions, physicians usually interact with each other repeatedly over time and only …

In a laboratory experiment designed to capture key aspects of the interaction between physicians and patients, we study … physicians' market shares. Medical treatment is an example of a credence good: only the physician knows the appropriate treatment … consult more often and physicians overtreat more often than in the baseline condition. Competition decreases overtreatment …

: subjects take on the role of physicians and make treatment decisions for patients, receiving feedback on the quality of their …

-for-service (FFS) or capitation (CAP). We observe that physicians customize care in response to the payment system. A FFS patient …. Physicians over-serve FFS patients and under-serve CAP patients. After a CAP payment reduction in the experiment we observe …

In a laboratory experiment designed to capture key aspects of the interaction between physicians and patients in a … physicians overtreat more often than in the baseline condition. Competition decreases overtreatment compared to the baseline and …