Deriving Nash equilibria as the supercore for a relational system

E. Iñarra, C. Larrea, A. Saracho
Journal of Mathematical Economics, 46, 141-147

In this paper, under a binary relation that refines the standard relation which only accounts for single profitable deviations, we obtain that the set of NE strategy profiles of every finite non-cooperative game in normal form coincides with the supercore (Roth, 1976) of its associated abstract system. Further, under the standard relation we show when these two solution concepts coincide.



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