Evidence for self-selection among health maintenance organization enrollees.

High-Cost Users of Medical Care

1980 • 346 citations

How Do Health-Maintenance Organizations Achieve Their “Savings”?

1978 • 302 citations

HMO enrollment: who joins what and why: a review of the literature.

1980 • 106 citations

Pre-enrollment reimbursement patterns of Medicare beneficiaries enrolled in "at-risk" HMOs.

1982 • 101 citations

Assessing the evidence on HMO performance.

1980 • 80 citations

Risk differential between Medicare beneficiaries enrolled and not enrolled in an HMO.

1980 • 78 citations

Competition in the Delivery of Medical Care

1979 • 66 citations

Health Maintenance Organizations and the Rationing of Medical Care

1982 • 52 citations

The Performance of Health Maintenance Organizations: An Analytic Review

1980 • 52 citations

Enrollment Choice in a Multi-HMO Setting

1977 • 44 citations

Enrollment Choices in Different Types of HMOs

1978 • 23 citations

Hospitals and health maintenance organizations: an analysis of the Minneapolis-St. Paul experience.

1983 • 6 citations