Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/162754 
Erscheinungsjahr: 
2016
Schriftenreihe/Nr.: 
Working Paper No. 2016-4
Verlag: 
Brown University, Department of Economics, Providence, RI
Zusammenfassung: 
We come close to characterizing the class of social choice correspondences that are implementable in rationalizable strategies. We identify a new condition, which we call set-monotonicity, and show that it is necessary and almost sufficient for rationalizable implementation. Set-monotonicity is much weaker than Maskin monotonicity, which is the key condition for Nash implementation and which also had been shown to be necessary for rationalizable implementation of social choice functions. Set-monotonicity reduces to Maskin monotonicity in the case of functions. We conclude that the conditions for rationalizable implementation are not only starkly different from, but also much weaker than those for Nash implementation, when we consider social choice correspondences.
Schlagwörter: 
complete information
implementation
Maskin monotonicity
rationalizability
set-monotonicity
social choice correspondence
JEL: 
C72
D78
D82
Dokumentart: 
Working Paper

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