Subiza, Begoña - Instituto Valenciano de Investigaciones Económicas (IVIE) - 2000
existence of maximal elements for binary relations (Bergstrom, 1975; Walker, 1977; Tian, 1993), on the non-emptiness of non-binary … choice functions (Nehring, 1996; Llinares and Sánchez, 1999) and on the non-emptiness of some classical solutions for …