Ferrando, Josep Enric Peris; Martínez, Begoña Subiza - Instituto Valenciano de Investigaciones Económicas (IVIE) - 2003
Choice functions on tournaments always select the maximal element (Condorcet winner), provided they exist, but this property does not hold in the more general case of weak tournaments. In this paper we analyze the relationship between the usual choice functions and the set of maximal elements in...