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Nicolas Gabriel Andjiga and Joël Moulen
''Arrow's theorem for weak orders''
( 2009, Vol. 29 No.3 )
We characterize binary decision rules which are independent and strongly paretian,or independent and almost strongly paretian when the individual preferences and the collective preference are weak orders.
Keywords: Binary decision rule, lexicographic dictatorship
JEL: D7 - Analysis of Collective Decision-Making: General
D7 - Social Choice
Manuscript Received : Jun 06 2009 Manuscript Accepted : Aug 20 2009

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