BOSSERT, Walter; SPRUMONT, Yves; SUZUMURA, Kotaro - Département de Sciences Économiques, Université de … - 2002
Suzumura shows that a binary relation has a weak order extension if and only if it is consistent. However, consistency is demonstrably not sufficient to extend an upper semi-continuous binary relation to an upper semicontinuous weak order. Jaffray proves that any asymmetric (or reflexive),...