Third parties often have a stake in the outcome of a conflict and can affect that outcome by
taking sides. This article studies the factors that affect a third party's decision to take sides in …

I study repeated competition among oligopolists. The only novelty is that firms may go
bankrupt and permanently exit: the probability that a firm survives a price war depends on its …

Strong commercial ties promote peace as states shun the opportunity costs of economic
disruption. However, trade also enriches and empowers states, rendering them more …

We present a dynamic, complete-information bargaining model of war with N countries. The
analysis of a network with more than two countries significantly generalizes previous work …

A large body of scholarship suggests that economic grievances play an important role in civil
wars. But what specific economic activities trigger such grievances, and why would …

Understanding how changes to war-fighting technology influence the probability of war is
central to security studies. Yet the effects of changes in the distribution of power are not …

Does a shock to the balance of power cause the advantaged actor to exploit its newfound
advantage by initiating conflict? The modeling literature on commitment problems as a …

When and how do international political arrangements change? International relations
scholars have long examined the nature of shifts in international alliance and cooperation …

Alliances are costly to form and to terminate, and yet alliances change frequently. Scholars
typically attribute these decisions to static factors, such as the power balance, and …

Democratic transitions, franchise extensions, and civil war settlements can often be seen as
power-sharing agreements in which opposing factions try to use institutional structures to …