Armed conflicts, natural disasters and infrastructure projects continue to force millions into migration. This is especially true for developing countries. After World War II, about 8 million ethnic Germans experienced a similar situation when forced to leave their homelands and settle within...

Using unique micro-data on German firms, this paper estimates the effect of restrictive bank lending on innovation. In the German three-pillar banking system, comprised of commercial banks, credit unions, and savings banks, firms were differently affected in their ability to raise external debt...

While most countries welcome (and some even subsidise) high-skilled immigrants, there is very limited evidence of their importance for domestic firms. To guide our empirical analysis, we first set up a simple theoretical model to show how foreign experts may impact on the productivity and wages...