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 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 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...