We examine experimentally the impact of communication on trust and cooperation. Our design admits observation of … avoid guilt, as can be modeled using psychological game theory. When players exhibit such guilt aversion, communication may …

Under what conditions can cooperation be sustained in a network of strangers? Here we study the role of institutions … possible, including full intertemporal cooperation supported by a social norm based on community punishment of defectors. We … coordination on intertemporal cooperation in ways that networks of strangers were unable to achieve through social norms. …

cooperation. While the majority of previous studies equates reputation with a transparent and complete history of players' past …

large body of research demonstrates the power of “reciprocity” for inducing cooperation: When others know that you have … they think others are also cooperating; and people can develop habits of cooperation that shape their default inclinations …