Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/77504 
Year of Publication: 
2012
Series/Report no.: 
Working Paper No. 63
Publisher: 
University of Zurich, Department of Economics, Zurich
Abstract: 
A strategy profile of a game is called robustly stochastically stable if it is stochastically stable for a given behavioral model independently of the specification of revision opportunities and tie-breaking assumptions in the dynamics. We provide a simple radius-coradius result for robust stochastic stability and examine several applications. For the logit-response dynamics, the selection of potential maximizers is robust for the subclass of supermodular N-player binary-action games. For the mistakes model, robust selection results obtain for best-reply dynamics in the same class of games under the weaker condition of strategic complementarity. Further, both the selection of risk-dominant strategies in coordination games under best-reply and the selection of Walrasian strategies in aggregative games under imitation are robust.
Subjects: 
learning in games
stochastic stability
radius-coradius theorems
logit-response dynamics
mutations
imitation
JEL: 
C72
D83
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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