approach is based on the following six "aspects" of a player's behavior: round-1 cooperation, lenience, forgiveness, loyalty …

We use experimental methods to investigate whether pledges of commitment can improve cooperation in endogenously formed … findings show that pledges of commitment increase cooperation in committed partnerships when costs to dissolve them are shared … break up, pledges of commitment fail to improve cooperation and instead decrease cooperation. …

We use experimental methods to investigate whether pledges of commitment can improve cooperation in endogenously formed … findings show that pledges of commitment alone can increase cooperation and welfare in committed partnerships. The introduction … partnerships fall solely on the individual choosing to break up, pledges of commitment fail to improve cooperation and welfare. …

We study how the willingness to enter long-term bilateral relationships affects cooperation even when parties have … little information about each other, ex ante, and cooperation is otherwise unenforceable. We experimentally investigate a … research, longer interactions facilitate cooperation. However, many individuals avoid long-term commitment, with uncooperative …

for cooperation and altruism is one of the most powerful forces shaping our society, but there is an enormous behavioral … of human cooperation have found mixed evidence, possibly due to a failure to induce compliance in the behavioral … towards cooperation. Subjects with more altruistic social values or a higher tolerance towards interpersonal uncertainty are …

find that members of each ethnicity show favoritism towards those of their own ethnicity in both trust and cooperation and … that communication enhances inter-ethnic cooperation significantly. We also find that Uyghur and Han subjects behave …

cooperation remains much less investigated, although it has been studied in the context of transboundary river basins. Even for … cooperation is stronger. Here we concurrently investigate both cooperation and conflict in transboundary river basins across the … climate variables affect cooperation more than conflict in absolute terms, although effects on conflict are large in relative …

Community enforcement is an important device for sustaining efficiency in some repeated games of cooperation. We … investigate cooperation when information about players' reputations spreads to their future partners through links in a social … network that connects them. We find that information supports cooperation by increasing trust between players, and obtain the …