Collective interactions, such as teamwork, are an essential part of our daily lives. But often such interactions contain an element of a social dilemma: individuals would like their collective action to succeed, but at the same time they have an incentive to free-ride on the contributions of others. Collective action problems are particularly challenging in heterogeneous groups, in which individuals differ in their motivations and their degrees of influence. In such asymmetric scenarios, an important question is how individuals coordinate on stable cooperation.
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