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

We investigate experimentally whether collective choice matters for individual attitudes to ambiguity. We consider a … observe high proportions of ambiguity averse choices in both individual and collective decision making. Although a majority of … participants display consistent ambiguity attitudes across their decisions, collective choice tends to foster ambiguity aversion …

can be averse to partial information as a consequence of ambiguity aversion. It introduces a class of recursive … depart from the standard expected-utility theory. A new notion of ambiguity aversion, called Event Complementarity, exactly … characterizes aversion to partial information. Familiar static ambiguity-averse preferences are embedded into the general recursive …

(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. …

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 …

toward multiple‐prior uncertainties in terms of ambiguity and its corresponding compound risk. Our findings point to a shared …