An aggregation rule maps each profile of individual strict preference orderings over a set of alternatives into a social ordering over that set. We call such a rule strategy-proof if misreporting one's preference never produces a different social ordering that is between the original ordering...

The purpose of this work is to explore the theoretical properties of the three-valued scale evaluative voting procedure. We confront this new election method, proposed by Felsenthal [1989] and Hillinger [2004a], with a set of normative criteria generally considered by voting theorists as...

We study a problem in which a group of voters must decide which candidates are elected from a set of alternatives. The voters’ preferences on the combinations of elected candidates are represented by linear orderings. We propose a family of restrictions of the domain of separable preferences....