Heterogeneous Interacting Economic Agents and Stochastic Games

P.J.J. Herings, R.J.A.P. Peeters

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Stochastic games offer a rich mathematical structure that makes it possible to analyze situations with heterogeneous and interacting economic agents. Depending on the actions of the economic agents, the economic environment changes from one period to another. We focus on stationary equilibrium, the simplest form of behavior that is consistent with rationality. Since the number of stationary equilibria abound, we present the stochastic tracing procedure, a method to select equilibria. Since stationary equilibria are difficult to characterize analytically, we also present a numerical algorithm by which they can be computed. The algorithm is constructed in such a way that the equilibrium selected by the stochastic tracing procedure is computed. We illustrate the usefulness of this approach by showing how it leads to new insights in the theory of dynamic oligopoly.keywordsnash equilibriumstationary strategystochastic gamepotential entrantequilibrium selectionthese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
Original languageEnglish
Title of host publicationHeterogeneous Agents, Interactions and Economic Performance
EditorsR. Cowan, N. Jonard
PublisherSpringer Verlag
Publication statusPublished - 1 Jan 2003

Publication series

SeriesLecture Notes in Economics and Mathematical Systems Series

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