Longevity bias in cost-effectiveness analysis |
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Authors: | Liu Liqun Rettenmaier Andrew J Saving Thomas R |
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Institution: | Private Enterprise Research Center, Texas A&M University, College Station, TX 77843-4231, USA. lliu@tamu.edu |
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Abstract: | We use a simple lifetime utility maximization model to study the problem of medical resource allocation. This model leads to a welfare specification with a QALY (quality-adjusted life-year) component that captures an individual's preferences over both life expectancy and health status. The goal of medical cost-effectiveness analysis (CEA) is characterized as maximizing the QALY measure for a given total medical expenditure. We show that the CEA with such a goal has a longevity bias: the CEA-based division of a given total medical expenditure between extending life and improving health gives the former a larger share than is called for by welfare maximization. |
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Keywords: | cost‐effectiveness analysis cost‐utility analysis QALYs longevity |
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