Measuring Technological Innovation over the Long Run
收藏NBER2018-11-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w25266
下载链接
链接失效反馈官方服务：
资源简介：
We use textual analysis of high-dimensional data from patent documents to create new indicators of technological innovation. We identify significant patents based on textual similarity of a given patent to previous and subsequent work: these patents are distinct from previous work but are related to
提供机构：
美国国家经济研究局
创建时间：
2018-11-01
