Frick, Mira; Iijima, Ryota; Le Yaouanq, Yves - 2019
We propose a class of multiple-prior representations of preferences under ambiguity where the belief the decision … Optimism. The model does not restrict the sign of the DM's ambiguity attitude, and we show that it provides a unified framework … through which to characterize different degrees of ambiguity aversion, as well as to represent context-dependent negative and …