affects probability weighting. More in general, this finding supports theories that represent ambiguity attitudes through …

, subjects can reduce or even eliminate the ambiguity and turn the decision situation into one of risk. Under the assumption that … an ambiguity averse subject should reduce ambiguity within a decision process we predicted that these subjects would … request more information. Moreover, we investigate whether the relation between attitudes towards risk and ambiguity is linked …

be stable over time. In this paper, we analyze the stability of ambiguity preferences experimentally. We repeatedly … elicit ambiguity attitudes towards multiple 3-color Ellsberg urns over a period of two months. In our data, 57% of the …

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 …

We propose and axiomatically characterize a representation of ambiguity sensitive preferences. The distinguishing … maker exhibits a consistent tradeoff between risk and ambiguity concerns. Under our representation of her preferences, any … ambiguity. …

aversion, along with a coefficient for ambiguity aversion. These are estimated controlling for survey data of sociodemographic … related to loss aversion or ambiguity aversion. …

to information differences (sampling bias), to a feature of preferences (ambiguity sensitivity) or to aspects of …

We relate time-varying aggregate ambiguity (V-VSTOXX) to individual investor trading. We use the trading records of … an increase in ambiguity is associated with increased investor activity. It also leads to a reduction in risk …-taking which does not reverse over the following days. When ambiguity is high, the effect of sentiment looms larger. Survey …