Despite the widespread occurrence of humanitarian emergencies such as epidemics, earthquakes, droughts, floods and violent conflict and despite the significant financial resources devoted to humanitarian assistance, systematic learning from such interventions using rigorous theory-based impact...

There are many indicators of energy security. Few measure what really matters-an affordable and reliable energy supply-and the trade-offs between the affordability and reliability. Reliability is physical, affordability is economic. The latest Russian invasion of Ukraine highlights some of the...

Previous literature identifies significant negative consequences of violent conflict on population health. Using a unique data set of 36,024 district level observations for main disease groups spanning 2012-2016, we test whether this finding carries over to a military conflict in Eastern Ukraine...