Implementation in Mixed Nash Equilibrium
Claudio Mezzetti and
Ludovic Renou
No 271298, Economic Research Papers from University of Warwick - Department of Economics
Abstract:
A mechanism implements a social choice correspondence f in mixed Nash equilibrium if at any preference profile, the set of all pure and mixed Nash equilibrium outcomes coincides with the set of f-optimal alternatives at that preference profile. This definition generalizes Maskin’s definition of Nash implementation in that it does not require each optimal alternative to be the outcome of a pure Nash equilibrium. We show that the condition of weak set-monotonicity, a weakening of Maskin’s monotonicity, is necessary for implementation. We provide sufficient conditions for implementation and show that important social choice correspondences that are not Maskin monotonic can be implemented in mixed Nash equilibrium.
Keywords: Financial; Economics (search for similar items in EconPapers)
Pages: 29
Date: 2009-04-28
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Citations: View citations in EconPapers (3)
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Related works:
Journal Article: Implementation in mixed Nash equilibrium (2012) 
Working Paper: Implementation in Mixed Nash Equilibrium (2012) 
Working Paper: Implementation in Mixed Nash Equilibrium (2010) 
Working Paper: Implementation in Mixed Nash Equilibrium (2009) 
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Persistent link: https://EconPapers.repec.org/RePEc:ags:uwarer:271298
DOI: 10.22004/ag.econ.271298
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