-world settings. We show that the decline of cooperation is driven by individual preferences for imperfect conditional cooperation … or people's heterogeneity in preferences makes voluntary cooperation fragile. Universal free riding thus eventually … cooperation ; free riding …

role of social preferences in conditional cooperation. …We experimentally examine how the incentive to defect in a social dilemma affects conditional cooperation. In our first … conditional cooperation is higher when the own gain from defecting is lower and when the loss imposed on the first mover from …

role of social preferences in conditional cooperation. …We experimentally examine how the incentive to defect in a social dilemma affects conditional cooperation. In our first … conditional cooperation is higher when the own gain from defecting is lower and when the loss imposed on the first mover from …

role of social preferences in conditional cooperation. …We experimentally examine how the incentive to defect in a social dilemma affects conditional cooperation. In our first … conditional cooperation is higher when the own gain from defecting is lower and when the loss imposed on the first mover from …

others' payoffs, supporting the underlying role of social preferences in conditional cooperation. Our results suggest that …We experimentally examine how incentives affect conditional cooperation (i.e., cooperating in response to cooperation … in some games and free ride in others. The rate of conditional cooperation is higher when the own gain from defecting is …