Evidence of patient and physician turnover in accountable care organizations (ACOs) has raised concerns that ACOs may be earning shared-savings bonuses by selecting for lower-risk patients or providers with lower-risk panels. We conducted three sets of analyses to examine risk selection in the...

Variation in HCC margins does not predict differences between an HCC's share of MA and TM enrollees, although one cannot a priori sign a relationship between margin and service-level selection. Margins are negatively associated with the importance of post-acute care in the HCC. Margins among...

There are two types of selection models in the health economics literature. One focuses on choice between a fixed set of contracts. Consumers with greater demand for medical care services prefer contracts with more generous reimbursement, resulting in a suboptimal proportion of consumers in such...

As a nationally representative cohort of middle-aged and elderly adults with longitudinal data spanning nearly two decades, the Health and Retirement Study (HRS) is an important resource for researchers studying the dynamics of health insurance coverage in the United States and the relation of...

The health economics literature contains two models of selection, one with endogenous plan characteristics to attract good risks and one with fixed plan characteristics; neither model contains a regulator. Medicare Advantage, a principal example of selection in the literature, is, however,...

There are two types of selection models in the health economics literature. One focuses on choice between a fixed set of contracts. Consumers with greater demand for medical care services prefer contracts with more generous reimbursement, resulting in a suboptimal proportion of consumers in such...