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J Health Econ. 2004 May;23(3):525-42.

Too much ado about two-part models and transformation? Comparing methods of modeling Medicare expenditures.

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  • 1RAND Health, Washington Office, 1200 South Hayes Street, Arlington, VA 22202-5050, USA.


Many methods for modeling skewed health care cost and use data have been suggested in the literature. This paper compares the performance of eight alternative estimators, including OLS and GLM estimators and one- and two-part models, in predicting Medicare costs. It finds that four of the alternatives produce very similar results in practice. It then suggests an efficient method for researchers to use when selecting estimators of health care costs.

Copyright 2004 Elsevier B.V.

[PubMed - indexed for MEDLINE]
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