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Equilibria in a Dynamic Global Game: The role of cohort effects

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  • Heidhues, Paul

    (University of Pittsburgh)

  • Nicolas Melissas

Abstract

We introduce strategic waiting in a global game setting. Players can wait in order to take a better informed decision. We allow for cohort effects, which naturally arise if the network externality in a given period depends on the mass of players who are actively using the technology at this point in time. Formally, cohort effects lead to intra-period network effects being greater than inter-period network effects. In the absence of cohort effects, our model has a unique rationalizable equilibrium. Cohort effects, however, can lead to multiple equilibria within the class of symmetric switching strategies.

Suggested Citation

  • Heidhues, Paul & Nicolas Melissas, 2003. "Equilibria in a Dynamic Global Game: The role of cohort effects," Royal Economic Society Annual Conference 2003 104, Royal Economic Society.
    • Handle: RePEc:ecj:ac2003:104
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    Keywords

    global game; strategic waiting; coordination; strategic complementarities; period-specific network effects;
    All these keywords.

    JEL classification:

    • C72 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Noncooperative Games
    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness

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