Jackson2002

On the formation of interaction networks in social coordination games

M.O. Jackson, A. Watts
Games and Economic Behavior 41(2), 265, 2002.

There are many situations where two interacting individuals can benefit from coordinating their actions. We examine the endogenous choice of partners in such social coordination games and the implications for resulting play. We model the interaction pattern as a network where individuals periodically have the discretion to add or sever links to other players. With such endogenous interaction patterns we see multiple stochastically stable states of play, including some that involve play of equilibria in the coordination game that are neither efficient nor risk-dominant. Thus the endogenous network structure not only has implications for the interaction pattern that emerges, but it also has a significant impact on the play in the coordination game relative to what would arise if the same interaction network were exogenous.

Copyright © 2002 Elsevier Science (USA). All rights reserved.

This paper in Games and Economic Behavior

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