There is growing recognition that significant threats to collective security emerge not only from competition among great powers, but also from the disorder, violence, and oppression wrought by governments (or occurring in the absence of effective governance) across the developing world....

Most nations have experienced an internal armed conflict since 1960. The past decade has witnessed an explosion of research into the causes and consequences of civil wars, belatedly bringing the topic into the economics mainstream. This article critically reviews this interdisciplinary...