Ginja, Rita; Riise Kolstad, Julie; Willage, Barton; … - 2022
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 …