Unbundling of vertically integrated utilities has become an integral element in the regulation of network industries and has been implemented in many jurisdictions. The idea of separating the network, as the…
In this article we study differences in the returns to R&D investment between firms that sell in international markets and firms that only sell in the domestic market. We use German firm-level data from the…
Das Zentrum für Europäische Wirtschaftsforschung (ZEW) erhebt seit 1993 jährlich die Innovationsaktivitäten der deutschen Wirtschaft. Die Erhebung findet im Auftrag des Bundesministeriums für Bildung und…