International Knowledge Flows: Evidence from Patent Citations
收藏NBER1998-04-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w6507
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资源简介：
This paper explores the patterns of citations among patents taken out by inventors in the U.S., the U.K., France, Germany and Japan. We find (1) patents assigned to the same firm are more likely to cite each other, and come sooner than other citations; (2) patents in the same patent class are
提供机构：
美国国家经济研究局
创建时间：
1998-04-01
