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An Exploration of Technology Diffusion
Abstract
We develop a model that, at the aggregate level, is similar to the one-sector neoclassical growth model; at the disaggregate level, it has implications for the path of observable measures of technology adoption. We estimate it using data on the diffusion of 15 technologies in 166 countries over the last two centuries. Our results reveal that, on average, countries have adopted technologies 45 years after their invention. There is substantial variation across technologies and countries. Newer technologies have been adopted faster than old ones. The cross-country variation in the adoption of technologies accounts for at least 25 percent of per capita income differences. (JEL O33, O41, O47)
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Cites
Endogenous Technological Change
Romer, P. M. (1990) · Journal of Political Economy · doi:10.1086/261725 · Cited by 17,711
Gollin, D. (2002) · Journal of Political Economy · doi:10.1086/338747 · Cited by 1,977
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Gao, J., & Wang, D. (2024) · Nature Human Behaviour · doi:10.1038/s41562-024-02020-5 · Cited by 81
The diffusion of new technologies
Kalyani, A., Bloom, N., Carvalho, M., Hassan, T., Lerner, J., & Tahoun, A. (2025) · The Quarterly Journal of Economics · doi:10.1093/qje/qjaf002 · Cited by 60
Generative AI in Higher Education: Evidence from an Elite College
Contractor, Z., & Reyes, G. (2025) · doi:10.2139/ssrn.5392712 · Cited by 19
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Contractor, Z., & Reyes, G. (2025) · arXiv · doi:10.48550/arxiv.2508.00717 · Cited by 19
Metadata
- Authors
- Comin, D., & Hobijn, B.
- Venue
- American Economic Review
- Publisher
- American Economic Association
- Published
- 2010-12-01
- Volume
- 100
- Issue
- 5
- Pages
- 2031-2059
- ISSN
- 0002-8282 (ISSN-L)
- OpenAlex
- W3125206205
- Cited by
- 651
- References
- 2
- FWCI
- 52.30
- Type
- journal article
- Language
- en
- Open access
- closed
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