This paper highlights the importance of natural resource concentration and ethnic group regional concentration for ethnic conflict. A new type of bargaining failure due to multiple types of potential conflicts (and hence multiple threat points) is identified. The theory predicts war to be more...

This paper argues that state weakness is broader than implied previously in the civil war literature, and that particular types of weakness in interaction with natural resources have aggravating or mitigating consequences for the risk of civil war. While in anocracies or unstable regimes natural...