Breakthrough Inventions and Migrating Clusters of Innovation
收藏NBER2009-10-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w15443
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资源简介：
We investigate the speed at which clusters of invention for a technology migrate spatially following breakthrough inventions. We identify breakthrough inventions as the top one percent of US inventions for a technology during 1975-1984 in terms of subsequent citations. Patenting growth is
提供机构：
美国国家经济研究局
创建时间：
2009-10-01
