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 …

. Akerlof and Rachel E. Kranton, 2000), we show theoretically that introspection may enhance cooperation by increasing the …) expectations. Our results show that introspection causally increases cooperation. Both home-grown idealism and the experiences with …

There is continuing debate about what explains cooperation and self-sacrifice in nature and in particular in humans …

Mutation-generated variation in behavior is thought to promote the evolution of cooperation. Here, we study this by … populations. First, we show how cooperation can evolve through the direct effect of mutation, i.e., the fitness impact that …) for which cooperation can be favored by an indirect effect of mutation, i.e., the fitness impact that individuals …

factors that are known to affect cooperation levels, and in so doing replicate and extend previous empirical research on …