The DOI matches its Crossref record; 34 of the 36 references it cites were found in a registry or an index.
The Burden of Knowledge and the “Death of the Renaissance Man”: Is Innovation Getting Harder?
Abstract
This paper investigates a possibly fundamental aspect of technological progress. If knowledge accumulates as technology advances, then successive generations of innovators may face an increasing educational burden. Innovators can compensate through lengthening educational phases and narrowing expertise, but these responses come at the cost of reducing individual innovative capacities, with implications for the organization of innovative activity—a greater reliance on teamwork—and negative implications for growth. Building on this “burden of knowledge” mechanism, this paper first presents six facts about innovator behaviour. I show that age at first invention, specialization, and teamwork increase over time in a large micro-data set of inventors. Furthermore, in cross-section, specialization and teamwork appear greater in deeper areas of knowledge, while, surprisingly, age at first invention shows little variation across fields. A model then demonstrates how these facts can emerge in tandem. The theory further develops explicit implications for economic growth, providing an explanation for why productivity growth rates did not accelerate through the 20th century despite an enormous expansion in collective research effort. Upward trends in academic collaboration and lengthening doctorates, which have been noted in other research, can also be explained in this framework. The knowledge burden mechanism suggests that the nature of innovation is changing, with negative implications…
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“By dramatically reducing the cost of drafting, synthesizing, and revising complex text, LLMs may help scientists articulate ideas more clearly, navigate the growing burden of knowledge, and explore unfamiliar domains more efficiently (28, 29).”
From The rise of large language models and the direction and impact of US federal research funding (2026) · cites this paper as [28]
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Self-citation
Metadata
- Authors
- JONES, B. F.
- Affiliations
- Northwestern University (US)
- Corresponding author
- JONES, BENJAMIN F.
- ORCID
- JONES, BENJAMIN F.
- Venue
- Review of Economic Studies
- Publisher
- Oxford University Press (OUP)
- Published
- 2009-01
- Volume
- 76
- Issue
- 1
- Pages
- 283-317
- ISSN
- 0034-6527 (ISSN-L)
- 1467-937X
- OpenAlex
- W3124253902
- Cited by
- 1,058
- References
- 36
- Citations by year
- 2026: 107 · 2025: 103 · 2024: 113 · 2023: 86 · 2022: 72 · 2021: 76 · 2020: 60 · 2019: 63 · 2018: 54 · 2017: 62 · 2016: 26 · 2015: 45 · 2014: 48 · 2013: 48 · 2012: 37
- FWCI
- 42.38
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Review of Economic Studies (publishedVersion)
- RePEc: Research Papers in Economics (submittedVersion)
- HighWire Press Open Archive (submittedVersion)
- Topics
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Economic Growth and Productivity
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Economic and Technological Innovation
- Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Firm Innovation and Growth
- Keywords
- technological progress, innovators, specialization, teamwork, educational burden, economic growth, productivity growth, research collaboration
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