Arbeitspapier

Large Deviations and Stochastic Stability in the Small Noise Double Limit, I: Theory

We consider a model of stochastic evolution under general noisy best response protocols, allowing the probabilities of suboptimal choices to depend on their payoff consequences. Our analysis focuses on behavior in the small noise double limit: we first take the noise level in agents' decisions to zero, and then take the population size to infinity. We show that in this double limit, escape from and transitions between equilibria can be described in terms of solutions to continuous optimal control problems. These are used in turn to characterize the asymptotics of the the stationary distribution, and so to determine the stochastically stable states. The control problems are tractable in certain interesting cases, allowing analytical descriptions of the escape dynamics and long run behavior of the stochastic evolutionary process.

Language
Englisch

Bibliographic citation
Series: Center for Mathematical Economics Working Papers ; No. 505

Classification
Wirtschaft

Event
Geistige Schöpfung
(who)
Sandholm, Willian H.
Staudigl, Mathias
Event
Veröffentlichung
(who)
Bielefeld University, Center for Mathematical Economics (IMW)
(where)
Bielefeld
(when)
2014

Handle
Last update
10.03.2025, 11:42 AM CET

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Object type

  • Arbeitspapier

Associated

  • Sandholm, Willian H.
  • Staudigl, Mathias
  • Bielefeld University, Center for Mathematical Economics (IMW)

Time of origin

  • 2014

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