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Subgame-Perfect Equilibria in Stochastic Timing Games

Author

Listed:
  • Riedel, Frank

    (Center for Mathematical Economics, Bielefeld University)

  • Steg, Jan-Henrik

    (Center for Mathematical Economics, Bielefeld University)

Abstract
We introduce a notion of subgames for stochastic timing games and the related notion of subgame-perfect equilibrium in possibly mixed strategies. While a good notion of subgame-perfect equilibrium for continuous-time games is not available in general, we argue that our model is the appropriate version for timing games. We show that the notion coincides with the usual one for discrete-time games. Many timing games in continuous time have only equilibria in mixed strategies – in particular preemption games, which often occur in the strategic real option literature. We provide a sound foundation for some workhorse equilibria of that literature, which has been lacking as we show. We obtain a general constructive existence result for subgame-perfect equilibria in preemption games and illustrate our findings by several explicit applications.

Suggested Citation

  • Riedel, Frank & Steg, Jan-Henrik, 2014. "Subgame-Perfect Equilibria in Stochastic Timing Games," Center for Mathematical Economics Working Papers 524, Center for Mathematical Economics, Bielefeld University.
    • Handle: RePEc:bie:wpaper:524
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    File URL: https://pub.uni-bielefeld.de/download/2698773/2902679
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    timing games; stochastic games; mixed strategies; subgame-perfect equilibrium in continuous time; optimal stopping;
    All these keywords.

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