Citations, family size, opposition and the value of patent rights

Research Policy - Tập 32 Số 8 - Trang 1343-1363 - 2003
Dietmar Harhoff1,2,3, F. M. Scherer4, Katrin Vopel5
1CEPR, London, UK
2Ludwig-Maximilians-Universität Munich (LMU), Munich, Germany
3Zentrum für Europäische Wirtschaftsforschung (ZEW), Mannheim, Germany
4John F. Kennedy School, Harvard University, Cambridge, MA, USA
5Zentrum für Europäische Wirtschaftsforschung (ZEW), Mannheim - Germany

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Tài liệu tham khảo

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