"This paper investigates the impact of Medicare HMO penetration on the medical care expenditures incurred by Medicare fee-for-service enrollees. We find that increasing penetration leads to reduced health care spending on fee-for-service beneficiaries. In particular, a one percentage point...

Health, health care, and the market economy -- Health care as a reflection of underlying cultural values and institutions -- The health professions and the organization of health care -- Health insurance, HMOs, and the managed care revolution -- Medicare -- Medicaid and the State Children's...