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The correction of TTO-scores for utility curvature using a risk-free utility elicitation method

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  • Attema, Arthur E.
  • Brouwer, Werner B.F.

Abstract

This paper describes and employs a new method to correct time tradeoff (TTO)-scores for utility of life duration curvature. In contrast to most previous attempts to do so, it uses a risk-free method that corresponds well to the risk-free properties of the TTO-method. In addition, the method is robust to several biases that occur under methods that incorporate risk. Our results show a significant degree of curvature in utility of life duration and therefore a clear bias in TTO-scores. The risk-free method seems to be useful to correct TTO-scores for this influence and leads to significantly higher quality-adjustment factors.

Suggested Citation

  • Attema, Arthur E. & Brouwer, Werner B.F., 2009. "The correction of TTO-scores for utility curvature using a risk-free utility elicitation method," Journal of Health Economics, Elsevier, vol. 28(1), pages 234-243, January.
  • Handle: RePEc:eee:jhecon:v:28:y:2009:i:1:p:234-243
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    Citations

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    Cited by:

    1. Jose María Abellán Perpiñán & Fernando Ignacio Sánchez Martínez & Jorge Eduardo Martínez Pérez & Ildefonso Méndez Martínez, 2009. "Debiasing EQ-5D Tariffs. New estimations of the spanish EQ-5D value set under nonexpected utility," Economic Working Papers at Centro de Estudios Andaluces E2009/06, Centro de Estudios Andaluces.
    2. Attema, Arthur E. & Brouwer, Werner B.F. & l’Haridon, Olivier, 2013. "Prospect theory in the health domain: A quantitative assessment," Journal of Health Economics, Elsevier, vol. 32(6), pages 1057-1065.
    3. Arthur E. Attema & Werner B.F. Brouwer & Olivier l'Haridon, 2013. "A quantification of prospect theory in the health domain," Economics Working Paper Archive (University of Rennes 1 & University of Caen) 201321, Center for Research in Economics and Management (CREM), University of Rennes 1, University of Caen and CNRS.
    4. Terry Flynn, 2010. "Using Conjoint Analysis and Choice Experiments to Estimate QALY Values," PharmacoEconomics, Springer, vol. 28(9), pages 711-722, September.
    5. Attema, Arthur E. & Brouwer, Werner B.F., 2012. "A test of independence of discounting from quality of life," Journal of Health Economics, Elsevier, vol. 31(1), pages 22-34.
    6. Jose Mª Abellán Perpiñán & Fernando Ignacio Sánchez Martínez & Jorge Eduardo Martínez Pérez & Ildefonso Méndez Martínez, 2009. "The QALY model wich came in from a general population survey: roughly multiplicative, broadly nonlinear and sometimes contex-dependt," Economic Working Papers at Centro de Estudios Andaluces E2009/04, Centro de Estudios Andaluces.
    7. Arthur Attema & Werner Brouwer, 2012. "The way that you do it? An elaborate test of procedural invariance of TTO, using a choice-based design," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 13(4), pages 491-500, August.
    8. Attema, Arthur E. & Brouwer, Werner B.F., 2013. "In search of a preferred preference elicitation method: A test of the internal consistency of choice and matching tasks," Journal of Economic Psychology, Elsevier, vol. 39(C), pages 126-140.
    9. Arthur E. Attema & Werner B.F. Brouwer, 2014. "Deriving Time Discounting Correction Factors For Tto Tariffs," Health Economics, John Wiley & Sons, Ltd., vol. 23(4), pages 410-425, April.
    10. Arthur Attema & Yvette Edelaar-Peeters & Matthijs Versteegh & Elly Stolk, 2013. "Time trade-off: one methodology, different methods," The European Journal of Health Economics, Springer;Deutsche Gesellschaft für Gesundheitsökonomie (DGGÖ), vol. 14(1), pages 53-64, July.

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