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American Economic Review: Vol. 89 No. 1 (March 1999)
AER Volume. 89, Issue 1 | 
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Technological Revolutions
Article Citation
Caselli, Francesco. 1999. "Technological Revolutions."
American Economic Review,
89(1): 78-102.
DOI: 10.1257/aer.89.1.78
DOI: 10.1257/aer.89.1.78
Abstract
In skill-biased (deskilling) technological revolutions, learning investments required by new machines are greater (smaller) than those required by preexisting machines. Skill-biased (deskilling) revolutions trigger reallocations of capital from slow- (fast-) to fast- (slow-) learning workers, thereby reducing the relative and absolute wages of the former. The model of skill-biased (deskilling) revolutions provides insight into developments since the mid-1970s (in the 1910s). The empirical work documents a large increase in the interindustry dispersion of capital-labor ratios since 1975. Changes in industry capital intensity are related to the skill composition of the labor force.
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Authors
Caselli, Francesco (U Chicago)
JEL Classifications
O33: Technological Change: Choices and Consequences; Diffusion Processes
J24: Human Capital; Skills; Occupational Choice; Labor Productivity
J31: Wage Level and Structure; Wage Differentials
J24: Human Capital; Skills; Occupational Choice; Labor Productivity
J31: Wage Level and Structure; Wage Differentials
