This paper summarizes in a non-technical way what we know from empirical studies based on firm-level data about the mutual links between international activities of firms and productivity. It is written with a view to inform policy makers in an evidencebased way. A special focus is on the...

This paper summarizes in a non-technical way what we know from empirical studies based on firm-level data about the mutual links between international activities of firms and productivity. It is written with a view to inform policy makers in an evidence-based way. A special focus is on the...

This paper provides the first empirical evidence on the link between the number of foreign markets (where a market is defined as the combination of one traded good and one country traded with) a firm is active on and its profitability. We find that in German manufacturing industries the...