Decreasing higher-order absolute risk aversion and higher-degree stochastic dominance |
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Authors: | Michel Denuit Liqun Liu |
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Affiliation: | 1. Institut de Statistique, Biostatistique et Sciences Actuarielles (ISBA), Université Catholique de Louvain, Louvain-la-Neuve, Belgium 2. Private Enterprise Research Center, Texas A&M University, College Station, TX, 77843, USA
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Abstract: | Fishburn and Vickson (Stochastic dominance: an approach to decision-making under risk, Lexington Books, D.C. Heath and Company, Lexington, pp. 39–113, 1978) showed that, when applied to random alternatives with an equal mean, 3rd-degree and decreasing absolute risk aversion stochastic dominances represent equivalent rules. The present paper generalizes this result to higher degrees. Specifically, higher-degree stochastic dominance rules and common preference by all decision makers with decreasing higher-order absolute risk aversion are shown to coincide under appropriate constraints on the respective moments of the random variables to be compared. |
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