Ownership of publicly listed German companies has undergone significant changes in recent years. The aim of this report is to document these trends since 2007 and analyze the extent to which firms that compete in the same product market are owned by the same investors, which is known as common...

Die Eigentümerstrukturen börsennotierter deutscher Unternehmen haben sich in den letzten Jahren deutlich verändert. Von besonderem Interesse ist dabei das Phänomen der gemeinsamen Eigentümerstrukturen, das international mit dem Begriff "Common Ownership" bezeichnet wird. Dabei werden...

Die Eigentumsverhältnisse von großen Unternehmen sind in den vergangenen Jahren immer komplexer geworden. Häufig halten große institutionelle Investoren Anteile an verschiedenen börsennotierten Unternehmen gleichzeitig, was als Common Ownership oder gemeinsame Eigentümerstrukturen...

In the context of microfirms, this paper analyzes whether the link between the three aspects involving innovative activities—R&D, innovative output, and productivity—hold for knowledge-intensive services. With especially high start-up rates and the majority of employees in microfirms,...

We investigate how R&D spillovers propagate across firms linked through Research Joint Ventures (RJVs). Building on the framework developed by Bloom et al. (2013) which considers the opposing effects of knowledge spillovers and product market rivalry, we extend the model to account for RJV...