Contributions to the quantitative civil war literature increasingly rely on geo-referenced data and disaggregated research designs. While this is a welcome trend, it necessitates geographic information systems (GIS) skills and imposes new challenges for data collection and analysis. So far,...

Civil wars show substantial variation in where they are fought. One dimension of this variation is the proximity of fighting to the capital city. While some wars are fought in the periphery, others devastate capital cities, often for months, or years, on end. What explains this? This article...

A rich literature addresses how a state’s capabilities, its desire to aid or exploit a warring neighbor, and its alliance commitments determine whether or not the state joins an ongoing conflict. However, an important geopolitical consideration – proximity to the location of the...

The collapse of Mobutu's Zaire and the arrival of father and son Kabila regimes in the Democratic Republic of the Congo (hereafter, the DRC) were hastened by the dramatic and tumultuous spread of violence from neighboring Rwanda. Mobutu's state's inability to manage the influx of Hutu refugees...