Chichilnisky, Graciela - Volkswirtschaftliche Fakultät, … - 1985
preferences, and also of von Neumann-Morgenstern utilities for choices under uncertainty. We show that with a finite number of … choices there exist no continuous anonymous aggregation rules that respect unanimity, for such preferences or utilities. With …-Morgenstern utilities. With a finite number of choices, these spaces are proven to be noncontractible. With infinitely many choices, on the …