We propose and axiomatically characterize a representation of ambiguity sensitive preferences. The distinguishing feature of our axiomatization is that we do not require preferences to be event-wise separable over any domain of acts. Even without any such separability restrictions, we are able...

Ambiguity aversion has shown to be economically relevant and has been proposed as an explanation for many phenomena in economics and finance. While the literature has suggested a large variety of elicitation methods to measure ambiguity preferences, their consistency and reliability it is rarely...