Technological revolutions

• 成果类型: Article
• 署名作者: Caselli, F
• 署名单位: University of Chicago
• 刊物名称: AMERICAN ECONOMIC REVIEW
• ISSN/ISSBN: 0002-8282
• DOI: 10.1257/aer.89.1.78
• 发表日期: 1999
• 页码: 78-102
• 关键词: wage structure; workers; GROWTH

摘要

In skill-biased (de-skilling) technological revolutions learning investments required by new machines are greater (smaller) than those required by preexisting machines. Skill-biased (de-skilling) 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 (de-skilling) revolutions provides insight into developments since the mid-1970's (in the 1910's). 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. (JEL E23 J31 O33).