干中学、过度投资和R&D对人力资本积累的“侵蚀效应”
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| Title | Learning by Doing, Overinvestment and the “Erosion Effect” of R&D on Human Capital Accumulation
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| 作者 | 李尚骜 陈继勇 |
| Author | Li Shangao and Chen Jiyong |
| 作者单位 | 武汉大学经济与管理学院 |
| Organization | Wuhan University |
| 作者Email | cournotlee2006@yahoo.com.cn；cjyhubei@163.com |
| 中文关键词 | 干中学 人力资本积累 过度投资 “侵蚀效应” 内生经济增长 |
| Key Words | Human capital; Technological Progress; “Erosion Effect”; Endogenous Growth |
| 内容提要 | R&D的过度投资对人力资本积累具有“侵蚀效应”。本文提出了一个同时内生化技术进步和人力资本积累的经济增长模型，并就R&D对人力资本积累的“侵蚀效应”所造成的负外部性进行了分析。本文分别求解了分散经济和集中经济的稳态经济增长率，并得出结论：垄断加价、干中学的负外部性及其引致的物质资本和人力资本的过度投资与“侵蚀效应”相互交错、共同作用，会在一定程度上降低人力资本的积累率和经济增长率。 |
| Abstract | There is an “erosion effect” of R&D on human capital accumulation. This paper develops an economic growth model with endogenous technological progress and human capital accumulation to characterize the “erosion effect” which implies a negative externality of R&D in human capital accumulation. This paper solves the steady-state economic growth rate in decentralized economy and centralized economy separately, and draws a conclusion that monopoly markup, negative effect of learning by doing, “erosion effect” and overinvestment of physical capital and human capital would decrease human capital accumulation rate and economic growth rate. |
| 文章编号 | WP30 |
| 登载时间 | 2010-12-22 |
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