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

averse to risk and ambiguity. The evidence is largely correlational, however, leaving open the question of the direction of … causality. In this paper, we present experimental evidence of causation running from reliance on intuition to risk and ambiguity … lowers the probability of being ambiguity averse by 30 percentage points and increases risk tolerance by about 30 percent in …

, 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 …

which the degree of ambiguity can endogenously and individually be decreased by the subjects. In particular, I analyze how … risk aversion, ambiguity attitude and personality traits are related to an individual's information acquisition prior to a … find that risk and ambiguity aversion affect the information acquisition but are less influential for the decisions between …

(Knightian uncertainty) and a roulette (objective risk). The class of scale-invariant (SI) ambiguity-averse preferences, in a … associated with SI ambiguity-averse preferences in terms of suitable weak independence axioms in place of scale invariance. …

If agents are ambiguity-averse and can invest in productive assets, asset prices can robustly exhibit indeterminacy in …

axiomatizations. Ambiguity attitude and attitude toward information in general are discussed and characterized. …

Most models of ambiguity aversion satisfy Anscombe-Aumann's Monotonicity axiom. Monotonicity imposes separability of ….S. online workers and a natural source of ambiguity, study 2 employs European students and an Ellsberg urn. In both studies …

Two of the most well known regularities observed in preferences under risk and uncertainty are ambiguity aversion and …, together with other standard ones, is equivalent to a representation in which the agent (i) evaluates ambiguity using multiple …