We investigate whether the stock of foreigners residing in a country leads to a larger number of terrorist attacks on that country. Our instrument for the stock of foreigners relies on the interaction of two sets of variables. Variation across host-origin-dyads results from structural...

This paper studies how an increase in the number of armed groups operating within an area affects the amount of organized political violence. We use plausible exogenous variation in the number of armed groups in Pakistan, by exploiting the split of a major group due to the natural death of its...

This paper studies how an increase in the number of armed groups operating within an area affects the amount of organized political violence. We use plausible exogenous variation in the number of armed groups in Pakistan, by exploiting the split of a major group due to the natural death of its...

We investigate whether the stock of foreigners residing in a country leads to a larger number of terrorist attacks on that country. Our instrument for the stock of foreigners relies on the interaction of two sets of variables. Variation across host-origin-dyads results from structural...