Abstract Popular models for decision making under ambiguity assume that people use not one but multiple priors. This …. This holds under ambiguity, but not in a comparison treatment under risk. …

, where the idea of ambiguity is absent. Arguably, Knighitan uncertainty, or ambiguity is one of the cornerstones of modern … situations of ambiguity. This paper introduces the idea of a monotone equimeasurable rearrangement in the context of non …

aversion and ambiguity aversion. A particular specification of preferences allows us to solve the portfolio selection problem …

per-industry profitability of their R&D investments. Investors' aversion towards ambiguity (in the sense of Gilboa …-equalizing equilibrium is robust against a however small degree of investors' aversion to ambiguity. …

with ambiguity aversion. Furthermore, there appears to be fairly strong evidence of a close connection between ambiguity … and conformity. Here we propose an extension of the standard ambiguity framework to incorporate conformity. We find that …

in some situation beliefs might be dependent on the strategy profile and that this kind of contingent ambiguity affects … equilibrium concepts corresponding to different attitudes towards ambiguity (namely optimism and pessimism). Finally we analyze … particular beliefs correspondences: beliefs given by correlated equilibria and by ambiguity levels on events. …

We study risk attitudes, ambiguity attitudes, and time preferences of 661 children and adolescents, aged ten to …) and are less likely to save money. Experimental measures for risk and ambiguity attitudes are only weak predictors of …