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Risk Perception, Risk Attitude and Decision : a Rank-Dependent Approach

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  • Michèle Cohen

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

The classical expected utility model of decision under risk (von Neumann-Morgenstern, 1944) has been criticized from an experimental point of view (Allais' paradox) as well as for its restrictive lack of explanatory power. The Rank-Dependent Expected Utility model (RDU) model (Quiggin, 1982) attempts to answer some of these criticisms. The decision maker is characterized by two functions : a utility function on consequences measuring preferences over sure outcomes and a probability weighting function measuring the subjective weighting of probabilities. As we show and illustrate in this paper, this model allows for more diversified types of behavior : it is consistent with the behavior revealed by the Allais paradox ; the decision maker could dislike risk (prefer to any lottery its expectation) without necessarily avoiding any increase in risk ; diminishing marginal utility may coexists with "weak" risk seeking attitudes ; decision makers with the same utility function may differ in their choices between lotteries when they have different probability weighting functions ; furthemore, the same decision maker may have different, context-dependent, subjective beliefs on events.

Suggested Citation

  • Michèle Cohen, 2008. "Risk Perception, Risk Attitude and Decision : a Rank-Dependent Approach," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00348810, HAL.
    • Handle: RePEc:hal:cesptp:halshs-00348810
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00348810
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    Cited by:

    1. Jianhua Wang & Hanyu Diao & Lulu Tou, 2019. "Research on the Influence Mechanism of Rational Consumers’ Food Safety Supervision Satisfaction," IJERPH, MDPI, vol. 16(5), pages 1-16, March.
    2. Marc-Arthur Diaye & André Lapidus & Christian Schmidt, 2021. "From Decision in Risk to Decision in Time - and Return: A Restatement of Probability Discounting," Working Papers hal-03256606, HAL.
    3. Hasibuan, Abdul Muis & Gregg, Daniel & Stringer, Randy, 2020. "Accounting for diverse risk attitudes in measures of risk perceptions: A case study of climate change risk for small-scale citrus farmers in Indonesia," Land Use Policy, Elsevier, vol. 95(C).
    4. Moez Abouda & Elyess Farhoud, 2010. "Anti-comonotone random variables and anti-monotone risk aversion," Post-Print halshs-00497444, HAL.
    5. Laurie Bréban & André Lapidus, 2019. "Adam Smith on lotteries: an interpretation and formal restatement," The European Journal of the History of Economic Thought, Taylor & Francis Journals, vol. 26(1), pages 157-197, January.
    6. Moez Abouda & Elyess Farhoud, 2010. "Risk aversion and Relationships in model-free," Post-Print halshs-00492170, HAL.

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