In financial economics risk-return tradeoffs show how expected rates of return and consequently asset prices are altered in response to changes in the exposure to the underlying shocks that impinge in the economy. In these lectures we will: (i) Present some of the recent literature that is...

A growing body of research has been drawing on the sensemaking perspective in order to modelize ethical judgment. Nevertheless, these sensemaking models do not account for how sensemaking can further our conceptualisation of the evolution of ethical judgment over time. In this study, we build on...

Peter P. Wakker has forcefully shown the importance for decision theory of a condition that he called “Cardinal Coordinate Independence” (CCI). Indeed, when the outcome space is rich, he proved that, for continuous weak orders, this condition fully characterizes the Subjective Expected...

« Le budget est le fléau des directions générales américaines. Il n'aurait jamais du exister. Faire un budget est un exercice de minimisation car tout le monde est occupé à négocier les chiffres les plus faibles possible » . Le propos est clair et sans appel. Il émane de Jack Welsh, un...

The investigations reported in this article examined some of the individual and situational determinants of the level of cognitive product differentiation in consumer products judgements, Subjects consisted of four large samples of male and female consumers in two large metropolitan areas in the...

In this paper we extend the results on ex-ante agreeable trade of Kajii and Ui [Kajii, A., Ui, T., 2006. Agreeable bets with multiple priors. Journal of Economic Theory 128, 299–305] to the case of non-convex Choquet preferences. We discuss the economic relevance of the main result for the...

Le dispositif de l’Aide complémentaire santé (ACS) a été mis en place au 1er janvier 2005 afin d’inciter les ménages dont le niveau de vie se situe juste au dessus du plafond CMU-C à acquérir une couverture complémentaire santé (CS). Même si le nombre de bénéficiaires a lentement...

Many theories of updating under ambiguity assume either dynamic consistency or consequentialism to underpin behaviorally the link between conditional and unconditional preferences. To test the descriptive validity of these rationality concepts, we conduct a dynamic extension of Ellsbergʼs...