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Large extensive form games

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  • Carlos Alós-Ferrer
  • Klaus Ritzberger

Abstract

This paper provides a self-contained definition and a characterization of the class of extensive form games that are adequate for applications, but still do not employ any finiteness assumptions. In spite of its simplicity, the resulting definition is more general than the classical ones. Moreover, we show that this class satisfies the basic desiderata that strategies induce outcomes and do so uniquely. Within the class of playable extensive forms, the characterization is by the existence of an immediate predecessor function on the set of moves. Copyright Springer-Verlag 2013

Suggested Citation

  • Carlos Alós-Ferrer & Klaus Ritzberger, 2013. "Large extensive form games," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 52(1), pages 75-102, January.
    • Handle: RePEc:spr:joecth:v:52:y:2013:i:1:p:75-102
    DOI: 10.1007/s00199-011-0674-y
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    Citations

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    Cited by:

    1. Bilancini, Ennio & Boncinelli, Leonardo, 2018. "Signaling with costly acquisition of signals," Journal of Economic Behavior & Organization, Elsevier, vol. 145(C), pages 141-150.
    2. Carlos Pimienta, 2014. "Bayesian and consistent assessments," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 55(3), pages 601-617, April.
    3. Carlos Alós-Ferrer & Klaus Ritzberger, 2017. "Characterizing existence of equilibrium for large extensive form games: a necessity result," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 63(2), pages 407-430, February.
    4. Arribillaga, R. Pablo & Massó, Jordi & Neme, Alejandro, 2023. "All sequential allotment rules are obviously strategy-proof," Theoretical Economics, Econometric Society, vol. 18(3), July.
    5. Alós-Ferrer, Carlos & Ritzberger, Klaus, 2017. "Does backwards induction imply subgame perfection?," Games and Economic Behavior, Elsevier, vol. 103(C), pages 19-29.
    6. Carlos Alós-Ferrer & Klaus Ritzberger, 2017. "Characterizations of perfect recall," International Journal of Game Theory, Springer;Game Theory Society, vol. 46(2), pages 311-326, May.
    7. Alós-Ferrer, Carlos & Ritzberger, Klaus, 2016. "Equilibrium existence for large perfect information games," Journal of Mathematical Economics, Elsevier, vol. 62(C), pages 5-18.
    8. Peter A. Streufert, 2019. "Equivalences among five game specifications, including a new specification whose nodes are sets of past choices," International Journal of Game Theory, Springer;Game Theory Society, vol. 48(1), pages 1-32, March.
    9. Battigalli, Pierpaolo & Generoso, Nicolò, 2024. "Information flows and memory in games," Games and Economic Behavior, Elsevier, vol. 145(C), pages 356-376.
    10. Alós-Ferrer, Carlos & Kern, Johannes, 2015. "Repeated games in continuous time as extensive form games," Journal of Mathematical Economics, Elsevier, vol. 61(C), pages 34-57.
    11. Ennio Bilancini & Leonardo Boncinelli, 2016. "Strict Nash equilibria in non-atomic games with strict single crossing in players (or types) and actions," Economic Theory Bulletin, Springer;Society for the Advancement of Economic Theory (SAET), vol. 4(1), pages 95-109, April.

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    More about this item

    Keywords

    Extensive form games; Sequential decision theory; Trees; C72; D70;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General

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