Das Leibniz-Zentrum für Europäische Wirtschaftsforschung (ZEW) erhebt seit 1993 jährlich die Innovationsaktivitäten der deutschen Wirtschaft. Die Erhebung findet im Auftrag des Bundesministeriums für Bildung und Forschung (BMBF) statt und wird in Zusammenarbeit mit dem Fraunhofer Institut...

This study was prepared by Stefan Lachenmaier while he was working with the Ifo Institute for Economic Research. It was completed in March 2007 and was accepted as a doctoral thesis by the Economics Department of the University of Munich (LMU). The subject of this study is an econometric...

In this paper it is tested which of the various alternative approaches for constructing knowledge spillover pools suggested in existing literature measures the extent to which a firm can costlessly receive external knowlegde best. Since knowledge spillovers are unmeasurable, a 'goodness of fit'...