概要
日時：2015年7月9日(木) 16:30-18:00
場所：3号館1階 130室(経営学系会議室)
講演者：加藤晋氏(東京大学社会科学研究所)
タイトル：Hybrid Invariance and Oligarchic Structures
【abstract】
This paper addresses the problem of Arrovian preference aggregation. In this paper, we do not impose any assumptions of social rationality;
social preferences are allowed to be any binary relation (possibly incomplete and intransitive). We introduce the axiom of hybrid invariance, which is an interpro le
axiom. We characterize the decisive structure associated with a collective choice rule that satis es hybrid invariance.