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Ambiguity preferences for health

Arthur Attema, Han Bleichrodt () and Olivier l’Haridon ()
Additional contact information
Han Bleichrodt: Erasmus School of Economics - Erasmus University Rotterdam
Olivier l’Haridon: CREM - Centre de recherche en économie et management - UNICAEN - Université de Caen Normandie - NU - Normandie Université - UR1 - Université de Rennes 1 - UNIV-RENNES - Université de Rennes - CNRS - Centre National de la Recherche Scientifique

Authors registered in the RePEc Author Service: Olivier L'Haridon

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Abstract: In most medical decisions probabilities are ambiguous and not objectively known.Empirical evidence suggests that people's preferences are affected by ambiguity. Health economic analyses generally ignore ambiguity preferences and assume that they are the same as preferences under risk. We show how health preferences can be measured under ambiguity and we compare them with health preferences under risk. We assume a general ambiguity model that includes many of the ambiguity models that have been proposed in the literature. For health gains, ambiguity preferences and risk preferences were indeed the same. For health losses they differed with subjects being more pessimistic in decision under ambiguity. Utility and loss aversion were the same for risk and ambiguity.

Keywords: health; ambiguity (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cbe, nep-exp, nep-hea and nep-upt
Date: 2018-11
Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-01807820
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Published in Health Economics, Wiley, 2018, 27 (11), pp.1699-1716. 〈10.1002/hec.3795〉

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-01807820

DOI: 10.1002/hec.3795

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