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New findings from the TTO for income approach to elicit willingness to pay for a QALY

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Listed:
  • Attema, Arthur
  • Krol, Marieke
  • van Exel, Job
  • Brouwer, Werner

Abstract

Willingness to pay (WTP) elicitations suffer from various methodological problems. This paper tests a recently proposed alternative approach to value WTP for health, making use of trade-offs between income and lifetime or quality of life. We apply three experimental elicitation procedures and analyze the responses under an additive and a multiplicative utility function over health and income. We report several interesting results. First, the data are highly skewed, but if we trim the 5% lowest and highest values, we obtain plausible WTP estimates. Second, the results differ considerably between procedures, indicating that WTP estimates are sensitive to the assumed utility function. Third, respondents appear to be loss averse for both health and money, which is consistent with assumptions from prospect theory. Finally, our results also indicate that respondents are more willing to trade quality of life than life years.

Suggested Citation

  • Attema, Arthur & Krol, Marieke & van Exel, Job & Brouwer, Werner, 2014. "New findings from the TTO for income approach to elicit willingness to pay for a QALY," MPRA Paper 61197, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:61197
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    References listed on IDEAS

    as
    1. Karl Claxton & Simon Walker & Steven Palmer & Mark Sculpher, 2010. "Appropriate Perspectives for Health Care Decisions," Working Papers 054cherp, Centre for Health Economics, University of York.
    2. Domeij David & Johannesson Magnus, 2006. "Consumption and Health," The B.E. Journal of Macroeconomics, De Gruyter, vol. 6(1), pages 1-30, May.
    3. Franz Hackl & Gerald J. Pruckner, 2005. "Warm glow, free‐riding and vehicle neutrality in a health‐related contingent valuation study," Health Economics, John Wiley & Sons, Ltd., vol. 14(3), pages 293-306, March.
    4. Karl Claxton & Mike Paulden & Hugh Gravelle & Werner Brouwer & Anthony J. Culyer, 2011. "Discounting and decision making in the economic evaluation of health‐care technologies," Health Economics, John Wiley & Sons, Ltd., vol. 20(1), pages 2-15, January.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    loss aversion; time tradeoff method; QALY; utility of health and wealth; willingness to pay;
    All these keywords.

    JEL classification:

    • B41 - Schools of Economic Thought and Methodology - - Economic Methodology - - - Economic Methodology
    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • I10 - Health, Education, and Welfare - - Health - - - General

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