Using US Veterans Health Administration (VA) data, we examined factors that affected patients choice of regular physicians and how the location of regular physicians influenced patients health care use. Appropriate estimation methods were applied to control for the endogeneity of patients choice...

To mitigate selection triggered by capitation payments, risk-adjustment models bring capitation payments closer on average to individuals' expected expenditure. We examine the maximum potential profit that plans could hypothetically gain by using their own private information to select low-cost...