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The willingness to pay for health improvement under comorbidity ambiguity

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  • Fujii, Yoichiro
  • Osaki, Yusuke

Abstract

Accumulated medical information is necessary to determine comorbidity risk between a primary disease and secondary diseases. However, medical decisions often must be made without conclusive evidence because individuals do not have sufficient information. By introducing ambiguity regarding comorbidities, we describe situations in which individuals face a set of plausible comorbidity risks that determines the correlations between primary and secondary diseases. This study examines the conditions under which the willingness to pay for health improvement is larger with comorbidity ambiguity than without it. This study also examines the effect of changes in ambiguity and ambiguity aversion on the willingness to pay.

Suggested Citation

  • Fujii, Yoichiro & Osaki, Yusuke, 2019. "The willingness to pay for health improvement under comorbidity ambiguity," Journal of Health Economics, Elsevier, vol. 66(C), pages 91-100.
    • Handle: RePEc:eee:jhecon:v:66:y:2019:i:c:p:91-100
    DOI: 10.1016/j.jhealeco.2019.04.002
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    Cited by:

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    3. Yu Gao & Zhenxing Huang & Ning Liu & Jia Yang, 2024. "Are physicians rational under ambiguity?," Journal of Risk and Uncertainty, Springer, vol. 68(2), pages 183-203, April.

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    More about this item

    Keywords

    Comorbidity ambiguity; Cost-benefit analysis; Smooth ambiguity model; α-maxmin model;
    All these keywords.

    JEL classification:

    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
    • I10 - Health, Education, and Welfare - - Health - - - General

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