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The private values of 'thickets' and 'fences': towards an updated picture of the use of patents across industries
Reitzig, Markus - In: Economics of innovation and new technology 13 (2004) 5, pp. 457-476
Persistent link: https://www.econbiz.de/10007381265
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The value of European patents
Gittelman, Michelle - In: European management review : the journal of the … 5 (2008) 2, pp. 85-89
Persistent link: https://www.econbiz.de/10009870808
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The value of European patents
Gambardella, Alfonso; Harhoff, Dietmar; Verspagen, Bart - In: European management review : the journal of the … 5 (2008) 2, pp. 69-84
Persistent link: https://www.econbiz.de/10009870809
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Firm Formation and Regional Spillovers - Evidence from Germany
Harhoff, Dietmar - In: Economics of innovation and new technology 8 (1999) 1-2, pp. 27-56
Persistent link: https://www.econbiz.de/10007381397
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R&D and Productivity in German Manufacturing Firms
Harhoff, Dietmar - In: Economics of innovation and new technology 6 (1998) 1, pp. 29-50
Persistent link: https://www.econbiz.de/10007381438