Factoring out the impossibility of logical aggregation

Philippe Mongin

No 854, HEC Research Papers Series from HEC Paris

Abstract: According to a theorem recently proved in the theory of logical aggregation, any nonconstant social judgment function that satisfies independence of irrelevant alternatives (IIA) is dictatorial. The author shows that the strong and not very plausible IIA condition can be replaced with a minimal independence assumption plus a Pareto-like condition. This new version of the impossibility theorem likens it to Arrow's and arguably enhances its paradoxical value.

Keywords: logical aggregation (search for similar items in EconPapers)
Pages: 17 pages
Date: 2006-10-01
New Economics Papers: this item is included in nep-cdm
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Citations: View citations in EconPapers (5)

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Related works:
Journal Article: Factoring out the impossibility of logical aggregation (2008)
Working Paper: Factoring Out the Impossibility of Logical Aggregation (2005)
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Persistent link: https://EconPapers.repec.org/RePEc:ebg:heccah:0854

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