migration of Medicare patients to separate the role of demand and supply factors. Our approach allows us to account for demand …

patient demand. The model is identified by migration of patients and physicians across areas, as well as by variation in … within-area matching. We find that physicians vary greatly in the intensity with which they treat otherwise similar patients …

, we focus on patients newly diagnosed with cancer. They display the familiar pattern: even among cancer patients with …, particularly low-intensity admissions, which rise as the prognosis deteriorates. However, even for patients with very poor … reductions. We also find that among patients with the same cancer type and initial prognosis, end-of-life spending is …

the adherence of patients without personal access to medical expertise to the adherence of those with access, namely … doctors and their close relatives. We estimate that, among observably similar patients, access to expertise is associated with …

patients who have greater scope for hospital choice, suggesting a role for patient demand in allocation in the hospital sector …