We provide a model of decision making under uncertainty in which the decision maker reacts to imprecision of the … notions of comparative aversion to imprecision of the data as well as traditional notions of risk aversion. Interestingly, the … study of comparative aversion to imprecision can be done independently of the utility function, which embeds risk attitudes …

into account the ambiguity of verbal interactions in learning processes. To this aim, we revise and fuzzify a classical …

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 …

two forms of ex-post decision making according to individual rationality: 1. ambiguity 2. uncertainty. An elaboration of …

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 …

it took the form of ambiguity, i.e. when players were not only unaware of the value of the threshold but also of its …

uncertainty on the ?market for lemons? of Akerlof (1970) to ?quality ambiguity? with credence goods. The model shows the market …

differences lies in the dichotomy between first-order and second-order ambiguity aversion which I define here. My definition and …-order ambiguity aversion a positive exposure to ambiguity is optimal if and only if there is a subjective belief such that the act …´s expected outcome is positive. With first-order ambiguity aversion, zero exposure to ambiguity can be optimal. Examples in …