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Health care policy evaluation: empirical analysis of the restrictions implied by Quality Adjusted Life Years, CHERE Working Paper 2006/10

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Author Info

  • Rosalie Viney

    ()
    (CHERE, University of Technology, Sydney)

  • Elizabeth Savage

    ()
    (CHERE, University of Technology, Sydney)

Abstract

This paper investigates the nature of the utility function for health care, defined over the probability of survival, survival duration, health state and cost of treatment. A discrete choice experiment, involving treatment choice for a hypothetical health condition is used to test restrictions on preferences in the QALY model. We find that preferences do not conform to expected utility, and there are significant interactions between health state and survival duration. Individual characteristics are significant, implying substantial differences in valuations of health states across the population. The results suggest the QALY approach distorts valuations of health outcomes.

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File URL: http://www.chere.uts.edu.au/pdf/wp2006_10.pdf
File Function: First version, June 2005
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Bibliographic Info

Paper provided by CHERE, University of Technology, Sydney in its series Working Papers with number 2006/10.

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Date of creation: Jun 2006
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Handle: RePEc:her:chewps:2006/10

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Keywords: Discrete choice experiment; Qalys; preferences; health state valuation;

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References

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  1. Bleichrodt, Han & Quiggin, John, 1997. "Characterizing QALYs under a General Rank Dependent Utility Model," Journal of Risk and Uncertainty, Springer, vol. 15(2), pages 151-65, November.
  2. Bleichrodt, Han & Johannesson, Magnus, 1997. "Standard gamble, time trade-off and rating scale: Experimental results on the ranking properties of QALYs," Journal of Health Economics, Elsevier, vol. 16(2), pages 155-175, April.
  3. 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.
  4. Han Bleichrodt & José Luis Pinto & José María Abellán-Perpiñán, 2003. "A consistency test of the time trade-off," Working Papers, Research Center on Health and Economics 676, Department of Economics and Business, Universitat Pompeu Fabra.
  5. Rosalie Viney & Elizabeth Savage & Jordan Louviere, 2005. "Empirical investigation of experimental design properties of discrete choice experiments in health care," Health Economics, John Wiley & Sons, Ltd., vol. 14(4), pages 349-362.
  6. Anne Spencer, 2003. "The TTO method and procedural invariance," Health Economics, John Wiley & Sons, Ltd., vol. 12(8), pages 655-668.
  7. Bleichrodt, Han & Quiggin, John, 1999. "Life-cycle preferences over consumption and health: when is cost-effectiveness analysis equivalent to cost-benefit analysis?," Journal of Health Economics, Elsevier, vol. 18(6), pages 681-708, December.
  8. Daniel T. Slesnick, 1998. "Empirical Approaches to the Measurement of Welfare," Journal of Economic Literature, American Economic Association, vol. 36(4), pages 2108-2165, December.
  9. Johannesson, Magnus, 1995. "Quality-adjusted life-years versus healthy-years equivalents -- A comment," Journal of Health Economics, Elsevier, vol. 14(1), pages 9-16, May.
  10. Jane Hall & Patricia Kenny & Madeleine King & Jordan Louviere & Rosalie Viney & Angela Yeoh, 2002. "Using stated preference discrete choice modelling to evaluate the introduction of varicella vaccination," Health Economics, John Wiley & Sons, Ltd., vol. 11(5), pages 457-465.
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Cited by:
  1. Richard Norman & Gisselle Gallego, 2008. "Equity weights for economic evaluation: An Australian Discrete Choice Experiment, CHERE Working Paper 2008/5," Working Papers 2008/5, CHERE, University of Technology, Sydney.

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