The Rising Returns to R&D: Ideas Are not Getting Harder to Find (one hypothesis)

marginalrevolution.com/marginalrevolution/2025/08/the-rising-returns-to-rd-ideas-are-not-getting-harder-to-find.html

R&D investment has grown robustly, yet aggregate productivity growth has stagnated. Is this because “ideas are getting harder to find”? This paper uses micro-data from the US Census Bureau to explore the relationship between R&D and productivity in the manufacturing sector from 1976 to…

This story appeared on marginalrevolution.com, 2025-08-11 08:03:55.
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