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Public research intensity and the structure of German R&D networks: a comparison of 10 technologies


  • Tom Broekel
  • Holger Graf


A rich literature has emerged that analyzes the emergence of inter-organizational networks. However, little is still known about how and why the (global) structures of such networks differ between technologies. Based on a rich database covering subsidized R&D cooperation in Germany, we compare cooperation networks of 10 distinct technologies. A particular focus is hereby on the existence of systematic differences between networks that are dominated by firms and those that primarily connect public research organizations. Among others, we find that the first tend to be larger and less dense with big firms being the most central organizations. In comparison, networks dominated by public actors are stronger centralized and involve more isolates.

Suggested Citation

  • Tom Broekel & Holger Graf, 2012. "Public research intensity and the structure of German R&D networks: a comparison of 10 technologies," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 21(4), pages 345-372, April.
  • Handle: RePEc:taf:ecinnt:v:21:y:2012:i:4:p:345-372
    DOI: 10.1080/10438599.2011.582704

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    References listed on IDEAS

    1. Tom Broekel & Holger Graf, 2010. "Structural properties of cooperation networks in Germany: From basic to applied research," Jena Economics Research Papers 2010-078, Friedrich-Schiller-University Jena.
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