Puzzling results of a positive association between the number of physicians per capita and the level of fees for physician services have been reported in the literature. These results may be due to misspecification of econometric models and use of data aggre-gated across medical specialties. It...

To customize treatments to individual patients entails costs of coordination and cognition. Thus, providers sometimes choose treatments based on norms for broad classes of patients. We develop behavioral hypotheses explaining when and why doctors customize to the particular patient, and when...

To customize treatments to individual patients entails costs of coordination and cognition. Thus, providers sometimes choose treatments based on norms for broad classes of patients. We develop behavioral hypotheses explaining when and why doctors customize to the particular patient, and when...