Noisy Contagion without Mutation

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Noisy Contagion without Mutation

Author Info

Lee, In Ho
Valentinyi, Akos

Additional information is available for the following registered author(s):

Akos Valentinyi

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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Publisher Info
Article provided by Blackwell Publishing 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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Sääskilahti, Pekka, 2007. "Monopoly pricing of social goods," MPRA Paper 3526, University Library of Munich, Germany. [Downloadable!]
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. [Downloadable!]
Sanjeev Goyal, 2003. "Learning in Networks: a survey," Economics Discussion Papers 563, University of Essex, Department of Economics. [Downloadable!]
Adam Szeidl & In Ho Lee & Akos Valentinyi, 2001. "Contagion and State Dependent Mutations," IEHAS Discussion Papers 0104, Institute of Economics, Hungarian Academy of Sciences. [Downloadable!]
Other versions:
- Lee, I H & Szeidl, A & Valentinyi, A, 2000. "Contagion and State Dependent Mutations," Discussion Paper Series In Economics And Econometrics 0027, Economics Division, School of Social Sciences, University of Southampton.
- In Ho Lee & Adam Szeidl & Akos Valentinyi, 2003. "Contagion and State Dependent Mutations," The B.E. Journal of Theoretical Economics, Berkeley Electronic Press, vol. 0(1). [Downloadable!]
Ianni, A. & Corradi, V., 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. [Downloadable!]

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