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Journal Articles Theory and Decision Year : 2011

Risk aversion elicitation: reconciling tractability and bias minimization

Abstract

Risk attitude is known to be a key determinant of various economic and financial choices. Behavioral studies that aim to evaluate the role of risk attitudes in contexts of this type, therefore, require tools for measuring individual risk tolerance. Recent developments in decision theory provide such tools. However, the methods available can be time consuming. As a result, some practitioners might have an incentive to prefer "fast and frugal" methods to clean but more costly methods. In this article, we focus on a tractable procedure initially proposed by Holt and Laury (2002) to elicit risk attitude. We generalize this method to measure utility and risk aversion as follows. First, we allow measurement of probabilistic risk attitude through violations of expected utility due to probability weighting. Second, we use the outcome scale rather than the probability scale in the menu of choices. Third, we compare sure payoffs with lotteries instead of comparing non-degenerate lotteries. A within-subject experimental study illustrates the gains in tractability and bias minimization that can result from such an extension.

Dates and versions

hal-00609543 , version 1 (19-07-2011)

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Olivier L'Haridon, Mohammed Abdellaoui, A. Driouchi. Risk aversion elicitation: reconciling tractability and bias minimization. Theory and Decision, 2011, 71 (1), pp.63-80. ⟨10.1007/s11238-009-9192-9⟩. ⟨hal-00609543⟩

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