The Diffusion of Disruptive Technologies

Bloom, N, Hassan, T A, Kalyani, A, Lerner, J and Tahoun, A (2021) The Diffusion of Disruptive Technologies. Working Paper. Social Sciences Research Network.


We identify novel technologies using textual analysis of patents, job postings, and earnings calls. Our approach enables us to identify and document the diffusion of 29 disruptive technologies across firms and labor markets in the U.S. Five stylized facts emerge from our data. First, the locations where technologies are developed that later disrupt businesses are geographically highly concentrated, even more so than overall patenting. Second, as the technologies mature and the number of new jobs related to them grows, they gradually spread geographically. While initial hiring is concentrated in high-skilled jobs, over time the mean skill level in new positions associated with the technologies declines, broadening the types of jobs that adopt a given technology. At the same time, the geographic diffusion of low-skilled positions is significantly faster than higher-skilled ones, so that the locations where initial discoveries were made retain their leading positions among high-paying positions for decades. Finally, these pioneer locations are more likely to arise in areas with universities and high skilled labor pools.

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Item Type: Monograph (Working Paper)
Subject Areas: Accounting
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Wheeler Institute for Business and Development

Date Deposited: 24 Nov 2021 10:07
Last Modified: 06 Jun 2022 14:45

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