Unver, M. Utku Ünver; Pycia, Marek - Department of Economics, Boston College - 2014
mechanisms--such as ordinal strategy-proofness or individual rationality--using linear constraints. Using the theory of totally … totally unimodular in general, and that strategy-proofness is totally unimodular in some individual choice models. However …, strategy-proofness, unanimity, and feasibility together are not totally unimodular in collective choice environments in general …