Reffgen, Alexander; Svensson, Lars-Gunnar - In: Theoretical economics : TE ; an open access journal in … 7 (2012) 3, pp. 663-688
In a voting model where the set of feasible alternatives is a subset of a product set $A = A_1\times\cdots\ldots{}A_m$ of $m$ finite categories, we characterize the set of all strategy-proof social choice functions for three different types of preference domains over $A$, namely for the domains...