共 8 条
[2]
专利知识宽度、创新与激励[D]. 高林.南开大学. 2012
[3]
COHERENCE OF THE KNOWLEDGE BASE AND THE FIRM'S INNOVATIVE PERFORMANCE: EVIDENCE FROM THE U.S. PHARMACEUTICAL INDUSTRY*[J] . LionelNesta,Pier PaoloSaviotti.The Journal of Industrial Economics . 2005 (1)
[4]
Erratum to “Citations, family size, opposition and the value of patent rights”[Research Policy 32 (2003) 1343–1363][J] . Dietmar Harhoff,Frederic M Scherer,Katrin Vopel.Research Policy . 2003 (2)
[5]
How to Count Patents and Value Intellectual Property: The Uses of Patent Renewal and Application Data[We thank t][J] . Jean O.Lanjouw,ArielPakes,JonathanPutnam.The Journal of Industrial Economics . 2003 (4)
[6]
An Event-Study Approach to Measuring Innovative Output: The Case of Biotechnology[J] . David H. Austin.The American Economic Review . 1993 (2)
[7]
Market Structure and Innovation: A Survey[J] . Morton I. Kamien,Nancy L. Schwartz.Journal of Economic Literature . 1975 (1)
[8]
Economic Sources of Inventive Activity *[J] . Jacob Schmookler.The Journal of Economic History . 1962 (1)