The average firm size of the top R&D investors among US-based companies is smaller than that of the EU-based firms. Does this help to explain why the US has a greater R&D intensity, or is the greater firm size in the EU, just as its lower R&D intensity, determined by the sectors in which the top...

Additionality is one of the key principles driving the functioning of the EU cohesion policies (ECP). The present paper studies how additionality affects the impact of firm-level investment support on firm investment behaviour in differently competitive markets. We find that the investment...

Auf seiner letzten Jahrestagung hat sich der Verein für Socialpolitik mit einem der zentralen Zukunftsthemen der europäischen Wirtschaftspolitik auseinandergesetzt: Die Osterweiterung der Europäischen Union. Der Vorsitzende des Vereins, Hans-Werner Sinn, greift in seiner Eröffnungsrede die...

We analyze the impact of institutional and cultural factors on the supply side of open source software (OSS). OSS is a privately provided public good: it is marked by free access to the software and its source code, and is developed in a public, collaborative manner by thousands of volunteers as...

This paper analyzes the development of the German knowledge base measured by co-classifications of patents by German inventors and relate this technological development to changes in the structure of the underlying inventor networks. The central hypothesis states that technologies that become...

To enable rapid container transshipment between freight trains in modern rail-rail transshipment yards efficient computerized scheduling procedures are indispensable. This paper proposes a dynamic programming approach, which determines yard areas for gantry cranes, so that the workload is evenly...