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Is There One Unifying Concept of Utility?An Experimental Comparison of Utility Under Risk and Utility Over Time

Mohammed Abdellaoui, Han Bleichrodt, Olivier l'Haridon and Corina Paraschiv
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Han Bleichrodt: Erasmus School of Economics - Erasmus University Rotterdam
Corina Paraschiv: GREGH - Groupement de Recherche et d'Etudes en Gestion à HEC - HEC Paris - Ecole des Hautes Etudes Commerciales - CNRS - Centre National de la Recherche Scientifique, UPD5 - Université Paris Descartes - Paris 5

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Abstract: The nature of utility is controversial. Whereas decision theory commonly assumes that utility is context specific, applied and empirical decision analysis typically assumes one unifying concept of utility applicable to all decision problems. This controversy has hardly been addressed empirically because of the absence of methods to measure utility outside the context of risk. We introduce a method to measure utility over time and compare utility under risk and utility over time. We distinguish between gains and losses and also measure loss aversion. In two experiments we found that utility under risk and utility over time differed and were uncorrelated. Utility under risk was more curved than utility over time. Subjects were loss averse both for risk and for time, but loss aversion was more pronounced for risk. Loss aversion over risk and time were uncorrelated. This suggests that loss aversion, although important in both decision contexts, is volatile and subject to framing.

Keywords: loss aversion; decision under risk; intertemporal choice; nature of utility; prospect theory; discounting (search for similar items in EconPapers)
Date: 2013-09
Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-00816056
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Published in Management Science, INFORMS, 2013, 59 (9), pp.2153 - 2169. <10.1287/mnsc.1120.1690>

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