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Public research and the quality of inventions : the role and impact of entrepreneurial universities and regional network embeddedness

Graf, Holger; Menter, Matthias - 2020

knowledge spillovers, as they serve as central actors of innovation networks and stimulate network activities. Whereas the … linkages between network embeddedness and innovation activities have been largely explored, the impact on patent quality in … of respective institutions within innovation networks thereby reinforces the radicalness of inventions. However, we do …

Persistent link: https://www.econbiz.de/10012249632

The role of geographical proximity for project performance : evidence from the German "Leading-Edge Cluster Competition"

Cantner, Uwe; Graf, Holger; Hinzmann, Susanne - 2015

the most controversial themes in the research of innovation systems, regional networks and new economic geography. While … contexts when knowledge is novel and the innovation endeavor is more radical while this effect is less pronounced for projects …

Persistent link: https://www.econbiz.de/10011446102

International research networks : determinants of country embeddedness

Graf, Holger; Kalthaus, Martin - 2016

We analyze the evolution of the international collaboration network in photovoltaic research. Using data on scientific publications for the period 1980-2015, we apply social network analysis to trace the evolution of the global network of countries and national research networks of...

Persistent link: https://www.econbiz.de/10011562623

Policy influence in the knowledge space : a regional application

Basilico, Stefano; Cantner, Uwe; Graf, Holger - 2021

Cluster policies aim at improving collaboration between co-located actors to address systemic failures. As yet, cluster policy evaluations are mainly concerned with effects on firm performance. Some recent studies move to the system level by assessing how the structure of actor-based knowledge...

Persistent link: https://www.econbiz.de/10012626163

A shot in the dark? : policy influence on cluster networks

Graf, Holger; Brökel, Tom - 2019

observed from 1985 to 2013, in 13 German regions. We ﬁnd that the initiative increases network size and innovation activities …

Persistent link: https://www.econbiz.de/10012107769

Interaction structures in local innovation systems

Cantner, Uwe (contributor); Graf, Holger (contributor) - 2008

The flow of knowledge through interaction between innovative actors is central to the systemic view of innovation. We … core competencies of the network. -- Innovator networks ; innovation system ; R&D cooperation ; mobility …

Persistent link: https://www.econbiz.de/10003723124

Research in regional networks of innovators : a comparative study of four East-German regions

Graf, Holger (contributor); Henning, Tobias (contributor) - 2006

innovative performance and investigate the characteristic role of public research within these local systems of innovation by …

Persistent link: https://www.econbiz.de/10003529739

Gatekeepers in Regional Networks of Innovators

Graf, Holger - 2013

characteristics of gatekeepers within regional innovation systems by applying social network analysis based on patent data for four …

Persistent link: https://www.econbiz.de/10012711317

Structural properties of cooperation networks in Germany : from basic to applied research

Brökel, Tom; Graf, Holger - 2010

Economists pay more and more attention to knowledge networks and drivers of their development. Consequently, a rich literature emerged analyzing factors explaining the emergence of intra-organizational links. Despite substantial work focusing on the dyad level, only little is known about how and...

Persistent link: https://www.econbiz.de/10008747659

Structural dynamics of innovation networks in German Leading-Edge Clusters

Töpfer, Stefan; Cantner, Uwe; Graf, Holger - In: The journal of technology transfer 44 (2019) 6, pp. 1816-1839

Persistent link: https://www.econbiz.de/10012128118