An analysis of selectivity bias in the medicare AAPCC

Bryan Dowd, Roger Feldman, Ira Moscovice, Catherine Wisner, Pat Bland, Mike Finch

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

Using econometric models of endogenous sample selection, we examine possible payment bias to Medicare Tax Equity and Fiscal Responsibility Act of 1982 (TEFRA)risk health maintenance organizations (HMOs) in the Twin Cities in 1988. We do not find statistically significant evidence of favorable HMO selection. In fact, the sign of the selection term indicates adverse selection into HMOs. This finding is interesting, in view of the fact that three of the five risk HMOs in the study have since converted to non-risk contracts.

Original languageEnglish (US)
Pages (from-to)35-57
Number of pages23
JournalHealth Care Financing Review
Volume17
Issue number3
StatePublished - Jun 24 1996

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