Why Don't Inventors Patent?
收藏NBER2007-08-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w13294
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资源简介：
This paper argues that the ability to keep innovations secret may be a key determinant of patenting. To test this hypothesis, the paper examines a newly-collected data set of more than 7,000 American and British innovations at four world's fairs between 1851 and 1915. Exhibition data show that the
提供机构：
美国国家经济研究局
创建时间：
2007-08-01
