This paper presents an empirical test for the hypothesis that US news coverage of al-Qaeda causes al-Qaeda attacks. To isolate causality, disaster deaths worldwide provide an instrumental variable crowding out al-Qaeda coverage. Studying daily al-Qaeda coverage by CNN, NBC, CBS, and Fox News, as...

International agreements to reduce anthropogenic environmental disasters rely on public pressure driving local action. We study whether focused media and increased public outcry can drive local environmental action, reducing environmental damage. Although an annual affair, forest fires in the...

The Russian invasion of Ukraine has caused disruptions in international trade and highlighted the dependency of small open economies in Europe on imports, especially of energy. These events may have changed Europeans' attitude towards globalization. We study two waves of representative...

The Russian invasion of Ukraine has caused disruptions in international trade and highlighted the dependency of small open economies in Europe on imports, especially of energy. These events may have changed Europeans’ attitude towards globalization. We study two waves of representative...

We study the long-term economic legacy of highly-skilled minorities a century after their wholesale expulsion. Using mass expulsions of Armenian and Greek communities of the Ottoman Empire in the early 20th century as a unique natural experiment of history, we show that districts with greater...

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...