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 …

pillar is internalized norms of cooperation, sustained by emotions such as guilt and shame. The second pillar is the … motivation can sustain cooperation if enough people cooperate but can jeopardise social order if many others follow selfish …