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 …

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 …

and physicians can provide new opportunities to reduce antibiotic use. We focus on urinary tract infections in primary … care, a leading cause for antibiotic use, where physicians often prescribe prior to attaining diagnostic certainty. Symptom … base initial prescription decisions on machine learning predictions and delegate decisions to physicians where these …

from a physician’s retirement. We then show that online physician reviews reduce this gap and help patients find a new … physician reviews, but are not found for patients of nonretiring physicians. By reducing interruptions in care, reviews can …