This paper updates our 1977 study of health insurance competition. We find that insurers are now far more willing to compete by controlling costs. Large consumer copayments and insurer utilization controls, once deemed politically in-feasible, have become commonplace. HMOs and especially PPOs are booming. Blue Shield and Blue Cross market share and market power are declining. We discuss why the insurance market has changed and conclude with thoughts on the future.
Research Article|April 01 1988
Competition among Health Insurers, Revisited
J Health Polit Policy Law (1988) 13 (2): 279-291.