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pubsonline.informs.orgMANAGEMENT SCIENCE. Vol 32. No 2, February I986. Printed m U S A. PATENTS AND INNOVATION: AN EMPIRICAL ...瀏覽：1014 -
![Patents and Innovation: An Empirical Study]()
pubsonline.informs.org1 Feb 1986 ... Patents and Innovation: An Empirical Study. Edwin Mansfield Center for Economics and Technology, ...瀏覽：1049
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日期：2025-12-14
12 Oct 2007 ... Patents and Innovation: An Empirical Study ... empirical investigation based on
data obtained from a ......
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the patent system,' these questions are in need of much more study. The present
paper, which reports the results of an ......
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IMITATION COSTS AND PATENTS: AN EMPIRICAL STUDY. 909. Table 2.
Imitation Time (Divided by Innovation Time) ......
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31 May 2003 ... Patents and Innovation: An Empirical Study. Edwin Mansfield. Management
Science, Volume 32, Issue ......
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Studies of innovation have focused on the effects of patent laws on the number of
... A long tradition of empirical studies....
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seminal works on patents by Scherer et al (1959) and Mansfield et al (1981).
However ..... When analyzing the available studies on innovation and
appropriability it is important to distin- guish them ......
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日期：2025-12-11
14 May 2013 ... To study this relationship empirically is challenging for two reasons. The first
problem is that we need ......
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日期：2025-12-12
2 Jul 2009 ... So it is striking that there seems to be no empirical studies or analyses providing
conclusive evidence ......
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