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Public research intensity and the structure of German R&D networks: a comparison of 10 technologies
Broekel, Tom; Graf, Holger - In: Economics of innovation and new technology 21 (2012) 4, pp. 345-373
Persistent link: https://www.econbiz.de/10009967021
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Inventor networks in emerging key technologies: information technology vs. semiconductors
Graf, Holger - In: Journal of evolutionary economics : JEE 22 (2012) 3, pp. 459-481
Persistent link: https://www.econbiz.de/10009990999
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Introduction: Structure and Dynamics of Innovation Networks
Brenner, Thomas; Cantner, Uwe; Graf, Holger - In: Regional studies : journal of the Regional Studies … 47 (2013) 5, pp. 647-650
Persistent link: https://www.econbiz.de/10010104584
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Public Research in Regional Networks of Innovators: A Comparative Study of Four East German Regions
Graf, Holger; Henning, Tobias - In: Regional studies : journal of the Regional Studies … 43 (2009) 10, pp. 1349
Persistent link: https://www.econbiz.de/10008335770
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The network of innovators in Jena: An application of social network analysis
Cantner, Uwe; Graf, Holger - In: Research policy : policy and management studies of … 35 (2006) 4, pp. 463-480
Persistent link: https://www.econbiz.de/10007632999
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Cooperation and specialization in German technology regions
Cantner, Uwe; Graf, Holger - In: Journal of evolutionary economics : JEE 14 (2004) 5, pp. 543-562
Persistent link: https://www.econbiz.de/10007644458