On the Axiomatic Characterization of "Who is a J?"

D.A. Dimitrov, S.C. Sung

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Recent work by Kasher and Rubinstein (1997) considers the problem of group identification from a social choice perspective.These authors provide an axiomatic characterization of a liberal aggregator whereby the group consist of those and only those individuals each of which views oneself a member of the group.In the present paper we show that the five axioms used in Kasher and Rubinstein s characterization of the liberal aggregator are not independent and prove that only three of their original axioms are necessary and sufficient for the required characterization.
Original languageEnglish
Place of PublicationTilburg
Number of pages17
Publication statusPublished - 2003

Publication series

NameCentER Discussion Paper


  • aggregation
  • group identification
  • axiomatic method


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