The Repeated Prisoner's Dilemma (RPD) is a metaphor for the difficulties of achieving cooperation in social life. We present results from an agent-based model (ABM) of the RPD in which agents interact in a “market,” equivalent to interactions within the standard RPD, within networks, where...

Hierarchy is a nearly ubiquitous form of political organization. This article examines the concept of hierarchy and addresses three questions. What is hierarchy? When is it selected? Why does it matter? I outline and make explicit a theoretical approach common to the disparate literatures on...

The U.S.-China relationship is more likely than not to slide into economic and military competition, despite the perhaps best intentions of both states. This new bipolar competition is not inevitable. The key question is whether both governments have the self-restraint to limit domestic...

Hierarchy is a nearly ubiquitous form of political organization. This article examines the concept of hierarchy and addresses three questions. What is hierarchy? When is it selected? Why does it matter? I outline and make explicit a theoretical approach common to the disparate literatures on...

The political economy of international trade and trade policy – at both the domestic and international levels – has spawned a vast literature from both economists and political scientists. This two volume set includes seminal contributions to our understanding of international...