An analysis of selectivity bias in the medicare AAPCC

Bryan Dowd; Roger Feldman; Ira S Moscovice; Catherine Wisner; Pat Bland; Michael D Finch

An analysis of selectivity bias in the medicare AAPCC

Bryan Dowd, Roger Feldman, Ira S Moscovice, Catherine Wisner, Pat Bland, Michael D Finch

Health Policy and Management

Research output: Contribution to journal › Article › peer-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 language	English (US)
Pages (from-to)	35-57
Number of pages	23
Journal	Health Care Financing Review
Volume	17
Issue number	3
State	Published - Jun 24 1996

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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.",

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AU - Feldman, Roger

AU - Moscovice, Ira S

AU - Wisner, Catherine

AU - Bland, Pat

AU - Finch, Michael D

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N2 - 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.

AB - 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.

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ER -

An analysis of selectivity bias in the medicare AAPCC

Abstract

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