We provide an overview over the concepts, pitfalls and challenges involved in conducting scientifically sound impact evaluations and randomized controlled trials (RCTs) in conflict-affected and fragile states or areas. We consider both interventions aimed at preventing and overcoming war,...

Many Colombians are confronted with the ongoing conflict which influences their decision making in everyday life, including their behaviour on labour markets. This study focuses on the impact of violent conflict on self-employment, enlarging the usual determinants by a set of conflict variables....