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Periodic Strategies Ii: Generalizations And Extensions

Author

Listed:
  • V. K. OIKONOMOU

    (Max Planck Institute for Mathematics in the Sciences, Inselstrasse 22, 04103 Leipzig, Germany)

  • J. JOST

    (Max Planck Institute for Mathematics in the Sciences, Inselstrasse 22, 04103 Leipzig, Germany†Santa Fe Institute, New Mexico, USA)

Abstract

At a mixed Nash equilibrium, the payoff of a player does not depend on her own action, as long as her opponent sticks to his. In a periodic strategy, a concept developed in a previous paper [V. K. Oikonomou and J. Jost, Periodic strategies: A new solution concept and an algorithm for nontrivial strategic form games, Adv. Compl. Syst. 20(5) (2017) 1750009], in contrast, the own payoff does not depend on the opponent’s action. Here, we generalize this to multi-player simultaneous perfect information strategic form games. We show that also in this class of games, there always exists at least one periodic strategy, and we investigate the mathematical properties of such periodic strategies. In addition, we demonstrate that periodic strategies may exist in games with incomplete information; we shall focus on Bayesian games. Moreover, we discuss the differences between the periodic strategies formalism and cooperative game theory. In fact, the periodic strategies are obtained in a purely non-cooperative way, and periodic strategies are as cooperative as the Nash equilibria are. Finally, we incorporate the periodic strategies in an epistemic game theory framework, and discuss several features of this approach.

Suggested Citation

  • V. K. Oikonomou & J. Jost, 2020. "Periodic Strategies Ii: Generalizations And Extensions," Advances in Complex Systems (ACS), World Scientific Publishing Co. Pte. Ltd., vol. 23(02), pages 1-29, March.
    • Handle: RePEc:wsi:acsxxx:v:23:y:2020:i:02:n:s0219525920500058
    DOI: 10.1142/S0219525920500058
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