Concentration and Agglomeration of IT Innovation and Entrepreneurship: Evidence from Patenting
收藏NBER2020-06-01 更新2025-01-04 收录
下载链接：
https://www.nber.org/papers/w27338
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资源简介：
Information technology (IT) matters to prosperity. The top patenters are increasingly IT companies. We use data on US patents to document four trends in IT patenting. First, firm-level concentration in IT patenting is increasing over time. Second, geographic concentration in IT patenting is
提供机构：
美国国家经济研究局
创建时间：
2020-06-01
