Articles

A tractable method to measure utility and loss aversion in prospect theory

M. ABDELLAOUI, H. Bleichrodt, O. L'HARIDON

Journal of Risk & Uncertainty

June 2008, vol. 36, n°3, pp.245-266

Departments: Economics & Decision Sciences, GREGHEC (CNRS)


This paper provides an efficient method to measure utility under prospect theory. Our method minimizes both the number of elicitations required to measure utility and the cognitive burden for subjects, being based on the elicitation of certainty equivalents for two-outcome prospects. We applied our method in an experiment and were able to replicate the main findings on prospect theory, suggesting that our method measures what it is intended to. Our data confirmed empirically that risk seeking and concave utility can coincide under prospect theory. Utility did not depend on the probability used in the elicitation, which offers support for the validity of prospect theory. Loss aversionProspect theoryUtility measurement


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