This paper investigates Samuelson's (JEP, 2004) argument that technical progress of the trade partner may hurt the home country. We illustrate this prospect in a simple Ricardian model for sitations with outward knowledge spillovers. Within this framework Samuelson's "Act II" effects may occur....

We investigate whether firms' "global engagement", either in the form of exporting or opening up affiliates abroad, is related to the change in their management performance. We use new and unique data from a recent large scale firm survey of management practices in Germany. We calculate...

Since the revival of the gravity literature in the early nineties most work has been done with cross-section data. Just a few more recent contributions made use of panel data. So far that research left open the question whether to treat time and country effects as random or fixed. This note...