Groups of independent actors must regularly agree on social conventions of public good provision and self-governance, yet group make-up is rarely static.  With changing membership there is a potential tension between maintaining social conventions and replacing them based on the preferences of new members. We study the stability of coordination in such groups with changing membership.  We find that both access to a group’s history and the rotation mechanism impact coordination stability.  We find further that when new members come from prior groups, they are more likely to attempt a change in convention than if they came from a passive state.  The results provide initial insight into how changes in group membership affect the maintenance of public good provision.

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