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Was Mechanization De-Skilling? The Origins of Task-Biased Technical Change

James E. Bessen

Boston University - School of Law; Research on Innovation

March 18, 2011

Boston Univ. School of Law Working Paper No. 11-13

Did nineteenth century technology reduce demand for skilled workers in contrast to modern technology? I obtain direct evidence on human capital investments and the returns to skill by using micro-data on individual weavers and an engineering production function. Weavers learned substantially on the job. While mechanization eliminated some tasks and the associated skills, it increased returns to skill on the remaining tasks. Technical change was task-biased, much as with computer technology. As more tasks were automated, weavers’ human capital increased substantially. Although technology increased the demand for skill like today, weavers’ wages eventually increased and inequality decreased, contrary to current trends.

Number of Pages in PDF File: 40

Keywords: Skill-Biased Technical Change, Technology, Engineering Production Function, Mechanization, Human Capital, Wage Inequality, Learning-by-Doing

JEL Classification: J31, N31, O33

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Date posted: March 25, 2011 ; Last revised: January 31, 2012

Suggested Citation

Bessen, James E., Was Mechanization De-Skilling? The Origins of Task-Biased Technical Change (March 18, 2011). Boston Univ. School of Law Working Paper No. 11-13. Available at SSRN: http://ssrn.com/abstract=1789688 or http://dx.doi.org/10.2139/ssrn.1789688

Contact Information

James E. Bessen (Contact Author)
Boston University - School of Law ( email )
765 Commonwealth Avenue
Boston, MA 02215
United States
Research on Innovation ( email )
202 High Head Rd.
Harpswell, ME 04079
United States
617-531-2092 (Phone)
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