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...

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...

The United States has maintained extensive international hierarchies over the Western Hemisphere for more than a century and over Western Europe and Northeast Asia for nearly seven decades. More recently, it has extended similar hierarchies over states in the Middle East, and especially the...

One challenge facing hegemonic stability theory is to specify the processes by which hegemonic countries construct and maintain a liberal international economic order. Earlier studies have focused on direct coercion or ideological manipulations by the hegemon as a principal technique for...