This paper investigates the effect of physicians on infant mortality, stillbirths and the incidence of common childhood … endogeneity of health care supply is addressed by using the expulsion of Jewish physicians from health insurance schemes by the … control function approach. Our results indicate that the marginal returns to physicians are highly nonlinear and decreasing. …

expulsion of Jewish physicians from statutory health insurance as exogenous variation in regional physician supply. Increases in … the supply of physicians reduce infant mortality and mortality from common childhood diseases. Using a semiparametric …

Medicare Part B pays physicians through a fixed fee schedule designed loosely as a system of average-cost reimbursement … applied fee schedules are inefficient when physicians vary in their approaches to medical practice. Allowing Medicare to … in physicians' billing practices have similar, largely unstudied, implications. Proficient billers receive relatively …

Primary care physicians have a central, coordination role in medicine, yet little is known about their impacts on … healthcare utilization. I study the short-run and long-run effects of switching to different primary care physicians on … utilization within healthcare markets. To estimate the short-run effects of changing primary care physicians on utilization, I …

This paper investigates the effect of physicians on infant mortality, stillbirths and the incidence of common childhood … endogeneity of health care supply is addressed by using the expulsion of Jewish physicians from health insurance schemes by the … control function approach. Our results indicate that the marginal returns to physicians are highly nonlinear and decreasing …