Economists have a long tradition in identifying the evolution of cooperation in large, unstructured societies as a … puzzle. We suggest a new explanation for cooperation which avoids restrictions of most previous attempts. Our explanation … deals with the role of internalized norms for cooperation in large unstructured populations. Even internalized norms, i …

, contributors and administrators establish a stable interaction with cooperation matching the level from a comparable Public Goods … that cooperation breeds trustworthiness and vice versa and that one-time disruptions are particularly damaging in settings …

contribution mechanisms to foster human cooperation in heterogeneous populations. Our model predicts that a sequential mechanism …

In this experiment, we endogenize the choice of which contribution scheme is implemented in a public good game. We …