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Stochastic learning in coordination games: a simulation approach

  • Enrico Zaninotto

    ()

    (DISA, Faculty of Economics, Trento University)

  • Alessandro Rossi
  • Loris Gaio

In the presence of externalities, consumption behaviour depends on the solution of a co-ordination problem. In our paper we suggest a learning approach to the study of co-ordination in consumption contexts where agents adjust their choices on the basis of the reinforcement (payoff) they receive during the game. The results of simulations allowed us to distinguish the roles of different aspects of learning in enabling co-ordination within a population of agents. Our main results highlight: 1. the role played by the speed of learning in determining failures of the co-ordination process; 2. the effect of forgetting past experiences on the speed of the co-ordination process; 3. the role of experimentation in bringing the process of co-ordination into an efficient equilibrium.

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Paper provided by Department of Computer and Management Sciences, University of Trento, Italy in its series Quaderni DISA with number 015.

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Date of creation: Mar 1999
Date of revision: 29 Jun 2003
Handle: RePEc:trt:disatr:015
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  1. Colin Camerer & Teck-Hua Ho, 1999. "Experience-weighted Attraction Learning in Normal Form Games," Econometrica, Econometric Society, vol. 67(4), pages 827-874, July.
  2. Glen Ellison, 2010. "Learning, Local Interaction, and Coordination," Levine's Working Paper Archive 391, David K. Levine.
  3. Alessandro Narduzzo & Massimo Warglien, 1996. "Learning from the Experience of Others : An Experiment on Information Contagion," CEEL Working Papers 9603, Cognitive and Experimental Economics Laboratory, Department of Economics, University of Trento, Italia.
  4. Kaniovski Yuri M. & Young H. Peyton, 1995. "Learning Dynamics in Games with Stochastic Perturbations," Games and Economic Behavior, Elsevier, vol. 11(2), pages 330-363, November.
  5. Alessandro Beber & Luca Erzegovesi, 1999. "Distribuzioni di probabilità implicite nei prezzi delle opzioni," Alea Tech Reports 008, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  6. Engle, Robert F. & Manganelli, Simone, 2001. "Value at risk models in finance," Working Paper Series 0075, European Central Bank.
  7. Joerg Oechssler, 1994. "Decentralization and the Coordination Problem," Game Theory and Information 9403004, EconWPA.
  8. Marco Bee, 2001. "Mixture models for VaR and stress testing," Alea Tech Reports 012, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  9. Kandori, Michihiro & Mailath, George J & Rob, Rafael, 1993. "Learning, Mutation, and Long Run Equilibria in Games," Econometrica, Econometric Society, vol. 61(1), pages 29-56, January.
  10. Alessandro Beber, 1999. "Introduzione all'analisi tecnica," Alea Tech Reports 002, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  11. M.J.B. Hall, 1996. "The amendment to the capital accord to incorporate market risk," BNL Quarterly Review, Banca Nazionale del Lavoro, vol. 49(197), pages 271-277.
  12. Alessandro Beber, 2001. "Determinants of the implied volatility function on the Italian Stock Market," Alea Tech Reports 010, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  13. Lane, David & Vescovini, Roberta, 1996. "Decision Rules and Market Share: Aggregation in an Information Contagion Model," Industrial and Corporate Change, Oxford University Press, vol. 5(1), pages 127-46.
  14. Flavio Bazzana, 2001. "I modelli interni per la valutazione del rischio di mercato secondo l'approccio del Value at Risk," Alea Tech Reports 011, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  15. Luca Erzegovesi, 1999. "Capire la volatilità con il modello binomiale," Alea Tech Reports 004, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  16. Alessandro Beber, 1999. "Il dibattito su dignità ed efficacia dell'analisi tecnica nell'economia finanziaria," Alea Tech Reports 003, Department of Computer and Management Sciences, University of Trento, Italy, revised 14 Jun 2008.
  17. M.J.B. Hall, 1996. "The amendment to the capital accord to incorporate market risk," Banca Nazionale del Lavoro Quarterly Review, Banca Nazionale del Lavoro, vol. 49(197), pages 271-277.
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