Theories of conflict emphasize dyadic interaction, yet existing empirical studies of civil war focus largely on state attributes and pay little attention to nonstate antagonists. We recast civil war in a dyadic perspective, and consider how nonstate actor attributes and their relationship to the...

What explains the effect of external intervention on the duration of civil war? The literature on intervention has made some progress in addressing this question, but it has been hindered by an assumption that states intervene in civil wars either to help one side win or to facilitate...

Most quantitative assessments of civil conflict draw on annual country-level data to determine a baseline hazard of conflict onset. The first problem with such analyses is that they ignore factors associated with the precipitation of violence, such as elections and natural disasters and other...

This article introduces a new dataset on post-conflict justice (PCJ) that provides an overview of if, where, and how post-conflict countries address the wrongdoings committed in association with previous armed conflict. Motivated by the literature on post-conflict peacebuilding, we study justice...

Why do some armed civil conflicts last longer than others? Drawing on a contest success function model, we show that geographic factors (such as location, terrain, and natural resources) interact with rebel fighting capacity and together play a crucial role in determining the duration of...