A recent Climatic Change review article reports a remarkable convergence of scientific evidence for a link between climatic events and violent intergroup conflict, thus departing markedly from other contemporary assessments of the empirical literature. This commentary revisits the review in...

In the period 1946-2001, there were 225 armed conflicts and 34 of them were active in all of or part of 2001. Armed conflict remains a serious problem in the post-Cold War period. For three decades, the Correlates of War project has served as the main supplier of reliable data used in...

The Middle East is one of the most conflict-prone regions—butwhy? The Collier-Hoeffler model of civil war provides the starting point for our analysis. In an application to Africa, Collier and Hoeffler found poverty to be the most significant predictor of conflict. For conflict in the...

This paper reviews the literature on the development consequences of internal armed conflict and state fragility and analyzes the relationship using data from World Development Indicators, Ukraine Corporate Development Project UCDP/Peace Research Institute of Oslo (PRIO) Armed Conflict Data...

All parts of a country are rarely equally affected by political violence. Yet statistical studies largely fail to address sub-national conflict dynamics. We address this gap studying variations in 'routine' and 'episodic' violence between Indonesian provinces from 1990 to 2003. Within a...

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,...