This paper shows that, for CEU preferences, the axioms consquentialism, state independenceand conditional certainty equivalent consistency under updating characterise a family of capacities,called Genralised Neo-Additive Capacities (GNAC). This family contains as special casesamong others...

Data on contestants’ choices in Italian Game Show Affari Tuoi are analysed in a way that separatesthe effect of risk attitude (preferences) from that of beliefs concerning the amount ofmoney that will be offered to contestants in future rounds. The most important issue addressedin the paper is...

Economics and management science share the tradition of ordering risk aversionby fitting the best expected utility (EU) model with a certain utility function to in-dividual data, and then using the utility curvature for each individual as the soleindex of risk attitude. (Cumulative) Prospect...

In this paper we propose benchmark values for the coefficients of relative risk aversionand relative prudence on the basis of a binary choice model where the decision makerchooses between aggregating or disaggregating multiplicative risks. We relate ourresults to the decision maker's willingness...

This paper provides an analysis of individual and social decision criteria foralternatives that are composed of several attributes. We derive additive and multiplicativecriteria for individual decision-making with new axioms and apply these criteria toobtain new justications of known social...