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Discrete-Time Ergodic Mean-Field Games with Average Reward on Compact Spaces

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  • Piotr Więcek

    (Wrocław University of Science and Technology)

Abstract

We present a model of discrete-time mean-field game with compact state and action spaces and average reward. Under some strong ergodicity assumption, we show it possesses a stationary mean-field equilibrium. We present an example showing that in general an equilibrium for this game may not be a good approximation of Nash equilibria of the n-person stochastic game counterparts of the mean-field game for large n. Finally, we identify two cases when the approximation is good.

Suggested Citation

  • Piotr Więcek, 2020. "Discrete-Time Ergodic Mean-Field Games with Average Reward on Compact Spaces," Dynamic Games and Applications, Springer, vol. 10(1), pages 222-256, March.
    • Handle: RePEc:spr:dyngam:v:10:y:2020:i:1:d:10.1007_s13235-019-00296-1
    DOI: 10.1007/s13235-019-00296-1
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    References listed on IDEAS

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    1. Piotr Więcek & Eitan Altman, 2015. "Stationary Anonymous Sequential Games with Undiscounted Rewards," Journal of Optimization Theory and Applications, Springer, vol. 166(2), pages 686-710, August.
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    7. Diogo Gomes & João Saúde, 2014. "Mean Field Games Models—A Brief Survey," Dynamic Games and Applications, Springer, vol. 4(2), pages 110-154, June.
    8. Noha Almulla & Rita Ferreira & Diogo Gomes, 2017. "Two Numerical Approaches to Stationary Mean-Field Games," Dynamic Games and Applications, Springer, vol. 7(4), pages 657-682, December.
    9. Ermal Feleqi, 2013. "The Derivation of Ergodic Mean Field Game Equations for Several Populations of Players," Dynamic Games and Applications, Springer, vol. 3(4), pages 523-536, December.
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