This article provides an overview of the literature on the relationship between terrorism and
migration. It discusses whether and how (1) migration may be a cause of terrorism,(2) …

Third-party states consider the regional destabilization consequences of civil wars when
deciding to intervene. However, previous work implicitly assumes that potential interveners …

The history of political events is made by people. It doesn't exist without us. From wars to
elections to political protests, the choices we make, our actions, how we behave, dictate …

We study the labour market performance of refugees vis-à-vis comparable migrants across
20 European countries and over time. In the first part of our analysis, we document that …

There is a long history of state governments providing support to nonstate armed groups
fighting battles in other countries. Examples include Syria's aid to Hamas, Ecuador's support …

If a civil war begins, it is more likely to be initiated by an ethnic group than any other type of
group. We argue that ethnic groups, on average, are likely to have more grievances against …

Refugees lie at the heart of world politics. The causes and consequences of, and responses
to, human displacement are intertwined with many of the core concerns of International …

To what extent, and under what conditions, does access to arms fuel violent crime? To
answer this question, we exploit a unique natural experiment: the 2004 expiration of the US …

This paper explains how climate change may increase future migration, and which risks are
associated with such migration. It also examines how some of this migration may enhance …

The civil war in Syria has caused a mass influx of Syrian refugees into other countries
throughout the region and beyond. Jordan has received a large share of Syrian refugees …