" Well-functioning impersonal markets, in which strangers freely engage in competitive exchange, demand what I call market norms. Market norms establish the standards for judging oneself and others in impersonal transactions and lead to the internalization of motivations for trust, fairness, and cooperation with strangers and anonymous others. "

― Joseph Henrich , The WEIRDest People in the World: How the West Became Psychologically Peculiar and Particularly Prosperous