TY - GEN AU - Cave,D G TI - HMO community rating by class: employers and HMOs need to collect health status information SN - 0361-4050 PY - 1989///0530 KW - Actuarial Analysis KW - Age Factors KW - Health Benefit Plans, Employee KW - economics KW - Health Maintenance Organizations KW - Humans KW - Insurance, Health KW - Models, Theoretical KW - Rate Setting and Review KW - legislation & jurisprudence KW - Sex Factors KW - United States N1 - Publication Type: Journal Article ER -