The available evidence from numerous studies suggests that overconfidence is a more important phenomenon in North America than in Japan. The pattern is reversed for shame, which appears to play a more important role among Japanese than North Americans. We develop a model that endogenizes these...

What makes individuals conform or diverge after observing prosocial or selfish behavior by others? We study experimentally how social comparison (observing a peer’s behavior) interacts with identity motives for cooperation. Participants play two games. We increase the strength of the identity...