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...

Previous research proposes that peace is more likely to become durable if all rebel groups are included in the settlement reached. The argument implies that if actors are excluded and continue to pursue the military course, this could have a destabilizing effect on the actors that have signed an...

This research establishes that the emergence, prevalence, recurrence, and severity of intrastate conflicts in the modern era reflect the long shadow of prehistory. Exploiting variations across national populations, it demonstrates that genetic diversity, as determined predominantly during the...