Growth is Getting Harder to Find, Not Ideas
收藏NBER2026-05-01 更新2026-05-16 收录
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https://www.nber.org/papers/w35182
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资源简介：
Relatively flat US productivity growth versus rising R&D expenditures is often interpreted as evidence that ideas are getting harder to find. We build a new 45-year panel tracking the universe of US firms' patenting to investigate the micro underpinnings of this conclusion, separately examining the
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美国国家经济研究局创建时间：
2026-05-01
