of the same type better than cooperative adolescents. Adolescents show lower cooperation levels and a slower adaption of …

. While there is conflicting experimental evidence on the temporal stability of cooperation preferences in public goods … literature by testing whether social identity impacts on cooperation preferences in public goods provision. Specifically, our … random, in and out group matching protocols. Our findings indicate that cooperation preferences are not stable across these …

-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 …

We provide a test of the role of social preferences and beliefs in voluntary cooperation and its decline. We elicit … individuals' cooperation preferences in one experiment and use them as well as subjects' elicited beliefs to explain contributions … based on this data, we show that the decline of cooperation can be driven by the fact that most people have a preference to …