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Noisy contagion without mutation

Noisy contagion without mutation
Noisy contagion without mutation
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
0034-6527
47-56
Lee, In Ho
f9fa5dda-198f-4857-8fe5-82023a389d3c
Valentinyi, Akos
7519c19b-8434-4ba2-88a6-ae066471ffcf
Lee, In Ho
f9fa5dda-198f-4857-8fe5-82023a389d3c
Valentinyi, Akos
7519c19b-8434-4ba2-88a6-ae066471ffcf

Lee, In Ho and Valentinyi, Akos (2000) Noisy contagion without mutation. The Review of Economic Studies, 67 (1), 47-56.

Record type: Article

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

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More information

Published date: 2000
Organisations: Economics

Identifiers

Local EPrints ID: 32984
URI: https://eprints.soton.ac.uk/id/eprint/32984
ISSN: 0034-6527
PURE UUID: b331bc2d-cbc1-432b-988f-745959c70ef5

Catalogue record

Date deposited: 18 Jul 2006
Last modified: 17 Jul 2017 15:54

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