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Noisy Contagion without Mutation

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  • Lee, In Ho
  • Valentinyi, Akos

Abstract

In a local interaction game agents play an identical stage game against their neighbours over time. For nearest neighbour interaction, it is established that, starting from a random initial configuration in which each agent has a positive probability of playing the risk dominant strategy, a sufficiently large population coordinates in the long-run on the risk dominant equilibrium almost surely. Our result improves on Blume (1995), Ellison (2000), and Morris (2000) by showing that the risk dominant equilibrium spreads to the entire population in a two dimensional lattice and without the help of mutation, as long as there is some randomness in the initial configuration. Copyright 2000 by The Review of Economic Studies Limited

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Bibliographic Info

Article provided by Wiley Blackwell in its journal Review of Economic Studies.

Volume (Year): 67 (2000)
Issue (Month): 1 (January)
Pages: 47-56

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Handle: RePEc:bla:restud:v:67:y:2000:i:1:p:47-56

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Web page: http://www.blackwellpublishing.com/journal.asp?ref=0034-6527

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Cited by:
  1. Goyal, Sanjeev & Vega-Redondo, Fernando, 2005. "Network formation and social coordination," Games and Economic Behavior, Elsevier, vol. 50(2), pages 178-207, February.
  2. Adam Szeidl & In Ho Lee & Akos Valentinyi, 2001. "Contagion and State Dependent Mutations," IEHAS Discussion Papers 0104, Institute of Economics, Centre for Economic and Regional Studies, Hungarian Academy of Sciences.
  3. Sääskilahti, Pekka, 2007. "Monopoly pricing of social goods," MPRA Paper 3526, University Library of Munich, Germany.
  4. Desiree A. Desierto, 2008. "The Dynamics of Economic Integration," DEGIT Conference Papers c013_029, DEGIT, Dynamics, Economic Growth, and International Trade.
  5. Sanjeev Goyal, 2003. "Learning in Networks: a survey," Economics Discussion Papers 563, University of Essex, Department of Economics.
  6. Cui, Zhiwei, 2014. "More neighbors, more efficiency," Journal of Economic Dynamics and Control, Elsevier, vol. 40(C), pages 103-115.
  7. Ianni, A. & Corradi, V., 2001. "The dynamics of public opinion under majority rules," Discussion Paper Series In Economics And Econometrics 0109, Economics Division, School of Social Sciences, University of Southampton.
  8. Michael D. Makowsky & Jared Rubin, 2011. "An Agent-Based Model of Centralized Institutions, Social Network Technology, and Revolution," Working Papers 2011-05, Towson University, Department of Economics, revised Oct 2011.
  9. Ianni, Antonella & Corradi, Valentina, 2000. "Consensus, contagion and clustering in a space-time model of public opinion formation," Discussion Paper Series In Economics And Econometrics 0009, Economics Division, School of Social Sciences, University of Southampton.
  10. Alós-Ferrer, Carlos & Weidenholzer, Simon, 2008. "Contagion and efficiency," Journal of Economic Theory, Elsevier, vol. 143(1), pages 251-274, November.

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