International migration is maybe the single most effective way to alleviate global poverty. When a given host country allows more immigrants in, this creates costs and benefits for that particular country as well as a positive externality for individuals and governments who care about world...

During the early 1990s Germany received over half a million Yugoslavian refugees fleeing war. By 2000, many of these refugees, who were under temporary protection, had been repatriated. We exploit this historical episode to provide causal evidence on the role that migrants play explaining export...

How does immigration affect export performance? To answer this question we propose a unified empirical framework allowing to disentangle various mechanisms such as the role of networks in reducing bilateral transaction costs as well as productivity shifts arising from migration-induced knowledge...