Inventing modern invention: the professionalization of technological progress in the US

Matte Hartog, Andres Gomez-Lievano, Ricardo Hausmann and Frank Neffke

No 2408, Papers in Evolutionary Economic Geography (PEEG) from Utrecht University, Department of Human Geography and Spatial Planning, Group Economic Geography

Abstract: Between the mid-19th and mid-20th century, the US transformed from an agri- cultural economy to the frontier in science, technology and industry. We study how the US transitioned from traditional craftsmanship-based to today’s science-based innovation. To do so, we digitize half a million pages of patent yearbooks that describe inventors, organizations and technologies on over 1.6M patent and add demo- graphic information from US census records and information on corporate research activities from large-scale repeated surveys on industrial research labs. Starting in 1920, the 19th-century craftsmanship-based invention was, within just 20 years, overtaken by a rapidly emerging new system based on teamwork and a new specialist class of inventors, engineers. This new system relied on a social innovation: industrial research labs. These labs supported high-skill teamwork, replacing the collaborations within families with professional ties in firms and industrial research labs. This shift had wide-ranging consequences. It not only altered the division of labor in invention, but also reshaped the geography of innovation, reestablishing large cities as epicenters of technological progress and introduced new barriers to patenting for women and foreign-born inventors that have persisted into the 21st century.

Date: 2024-04, Revised 2024-04
New Economics Papers: this item is included in nep-geo, nep-his, nep-ino, nep-tid and nep-ure
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