James Dow, Sérgio Ribeiro da Costa Werlang The Ex-Ante Non-Optimality of the Dempster-Schafer Updating Rule for Ambiguous Beliefs (A Commentary on "Updating Ambiguous Beliefs' by Gilboa and Schmeidler). [Citation Graph (0, 0)][DBLP] TARK, 1992, pp:163-166 [Conf]