Giraud, Raphaël; Tallon, Jean-Marc - Centre d'Économie de la Sorbonne, Université Paris 1 … - 2009
We argue, in the spirit of some of Jean-Yves Jaffray's work, that explicitly incorporating the information, however imprecise, available to the decision marker is relevant, feasible and fruitful. In particular, we show that it can lead us to know whether the decision maker has wrong beliefs and...