The value of social network analysis is critically dependent on the comprehensive and reliable identification of actors and their relationships. We compare regional knowledge networks based on different types of data sources, namely, co-patents, co-publications, and publicly subsidised...

Im Mittelpunkt der Arbeit steht die Untersuchung des Stellenwertes und der Bedeutung von Innova-tionsnetzwerken bei der Gründungsentscheidung und nach erfolgtem Markteintritt. Für Unterneh-mensgründungen aus Wirtschaftszweigen mit hoher Innovationsintensität werden die Implikationen, die aus...

The aim of the paper is to evaluate the role of universities in the innovation process. Against the background of theoretical considerations about the interrelation of innovation and the adaptation of external resources, the effects of university-based (knowledge) resources - together with other...

Innovation processes are characterized by a pronounced division of labor between actors. Two types of externality may arise from such interactions. On the one hand, a close location of actors affiliated to the same industry may stimulate innovation (MAR externalities). On the other hand, new...

We analyze information and knowledge transfer in a sample of 16 German regional innovation networks with almost 300 firms and research organizations involved. The results indicate that strong ties are more beneficial for the exchange of knowledge and information than weak ties. Moreover, our...

Systemic innovation theory emphasizes that innovations are the result of an interdependent exchange process between different organizations. This is reflected in the current paradigm in European innovation policy, which aims at the support of collaborative R&D and innovation projects bringing...

This paper studies the effect of regional spillovers on the rate of firm formation in two major West German industries for the time period from 1989 to 1993. I exploit regional variations in firm formation at the county level to identify the effects of historically given industry structure and...