Let the knowledge flow: A natural experiment of Yugoslavian refugees in Germany

During the early 1990s Germany received over half a million Yugoslavians fleeing war. By 2000, many of these refugees were repatriated. In their new paper, Dany Bahar and his co-authors exploit this episode to provide causal evidence on the role migrants play in contributing to productivity shifts in their home countries after their return, as explained by changes in comparative advantage.