We review the emerging literature on climate and conflict. We consider multiple types of
human conflict, including both interpersonal conflict, such as assault and murder, and …

Research on insurgency has been invigorated during this past decade by better data,
improved methods, and the urgency of understanding active engagements in Iraq and …

We investigate the relationship between violence and economic risk preferences in
Afghanistan combining:(i) a two-part experimental procedure identifying risk preferences …

The violent actions of a few extremists can alter the course of history, yet there persists a
yawning gap between the potential impact of these individuals and what we understand …

In 2006, the Mexican government launched an aggressive campaign to weaken drug-
trafficking organizations (DTOs). The security policies differed significantly from those of …

We develop and test an economic theory of insurgency motivated by the informal literature
and by recent military doctrine. We model a three-way contest between violent rebels, a …

Recent data collections about political violence are frequently based on media reports,
which can lead to reporting bias. This is an issue in particular for the emergent literature on …

This study uses discontinuities in US strategies employed during the Vietnam War to
estimate their causal impacts. It identifies the effects of bombing by exploiting rounding …

The world's poor--and programs to raise their incomes--are increasingly concentrated in
fragile states. We review the evidence on what interventions work, and whether stimulating …

Why are some African countries trapped in vicious cycles of ethnic exclusion and civil war,
while others experience relative peace? In this groundbreaking book, Philip Roessler …