Applying fresh tools from economics to explain puzzling behaviors of religious radicals: Muslim, Christian, and Jewish; violent and benign.How do radical religious sects run such deadly terrorist organizations? Hezbollah, Hamas, Lashkar-e-Taiba, and the Taliban all began as religious groups dedicated to piety and charity. Yet once they turned to violence, they became horribly potent, executing campaigns of terrorism deadlier than those of their secular rivals. In

How a new understanding of warfare can help the military fight today’s conflicts more effectivelyThe way wars are fought has changed starkly over the past sixty years. International military campaigns used to play out between large armies at central fronts. Today's conflicts find major powers facing rebel insurgencies that deploy elusive methods, from improvised explosives to terrorist attacks. Small Wars, Big Data presents a transformative understanding o...

Small Wars, Big Data provides groundbreaking perspectives for how small wars can be better strategized and favorably won to the benefit of the local population. The authors show that a revolution in the study of conflict-enabled by vast data, rich qualitative evidence, and modern methods-yields new insights into terrorism, civil wars, and foreign interventions. Modern warfare is not about struggles over territory but over people; civilians-and the information they might choose to ...

The most common image of world politics involves states negotiating, cooperating, or sometimes fighting with one another; billiard balls in motion on a global pool table. Yet working through local proxies or agents, through what Eli Berman and David A. Lake call a strategy of "indirect control," has always been a central tool of foreign policy. Understanding how countries motivate local allies to act in sometimes costly ways, and when and how that strategy succeeds, is ess...