QALYs, Person Trade-Offs, and the Pareto Principle
A considerable literature seems to argue the use of person trade-offs to estimate the quality-adjustment factor in Quality-Adjusted Life Years (QALY) models. A similar practise is followed by the WHO to estimate the disability weights used in calculation of Disability-Adjusted Life Years (DALY) for assessment of region- and disease-specific burden of disease. In this note we show that QALY (and DALY) models based on person trade-off scores generally violate the Pareto principle.
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- José-Luis Pinto-Prades & José-María Abellán-Perpiñán, 2004.
"Mesuring the Health of Populations: The Veil of Ignorance Approach,"
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- Eva Rodríguez-Míguez & José-Luis Pinto-Prades, 2002. "Measuring the social importance of concentration or dispersion of individual health benefits," Health Economics, John Wiley & Sons, Ltd., vol. 11(1), pages 43-53.
- Paul Dolan & Aki Tsuchiya, 2003. "The person trade-off method and the transitivity principle: an example from preferences over age weighting," Health Economics, John Wiley & Sons, Ltd., vol. 12(6), pages 505-510.
- Bleichrodt, Han & Wakker, Peter & Johannesson, Magnus, 1997. "Characterizing QALYs by Risk Neutrality," Journal of Risk and Uncertainty, Springer, vol. 15(2), pages 107-14, November.
- Jose-Luis Pinto Prades, 1997. "Is the Person Trade-off a Valid Method for Allocating Health Care Resources?," Health Economics, John Wiley & Sons, Ltd., vol. 6(1), pages 71-81.
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