Pure strategy equilibria in symmetric two-player zero-sum games
We observe that a symmetric two-player zero-sum game has a pure strategy equilibrium if and only if it is not a generalized rock-paper-scissors matrix. Moreover, we show that every finite symmetric quasiconcave two-player zero-sum game has a pure equilibrium. Further sufficient conditions for existenc...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
August 2012
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| In: |
International journal of game theory
Year: 2012, Jahrgang: 41, Heft: 3, Pages: 553-564 |
| ISSN: | 1432-1270 |
| DOI: | 10.1007/s00182-011-0302-x |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1007/s00182-011-0302-x Verlag, Volltext: http://link.springer.com/10.1007/s00182-011-0302-x 
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| Verfasserangaben: | Peter Duersch, Jörg Oechssler, Burkhard C. Schipper |
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| 245 | 1 | 0 | |a Pure strategy equilibria in symmetric two-player zero-sum games |c Peter Duersch, Jörg Oechssler, Burkhard C. Schipper |
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| 520 | |a We observe that a symmetric two-player zero-sum game has a pure strategy equilibrium if and only if it is not a generalized rock-paper-scissors matrix. Moreover, we show that every finite symmetric quasiconcave two-player zero-sum game has a pure equilibrium. Further sufficient conditions for existence are provided. Our findings extend to general two-player zero-sum games using the symmetrization of zero-sum games due to von Neumann. We point out that the class of symmetric twoplayer zero-sum games coincides with the class of relative payoff games associated with symmetric two-player games. This allows us to derive results on the existence of finite population evolutionary stable strategies. | ||
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