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文章编号:1672-3104(2005)06-0072-04 |
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基于时间—成本平衡函数的资源替代性实证研究
———以我国电子信息产业为背景 |
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胡隆基,李艾 |
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(华中科技大学公共管理学院,湖北武汉, 430074) |
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摘 要: 借助“时间—成本平衡函数”,研究了研发投入中的资源替代性问题,认为“时间成本平衡函数”中的成本对时间的弹性η可以用来衡量研发投入中的资源替代性。并且利用问卷收集的企业数据,对我国电子信息产业研发投入中的资源替代性进行了实证研究,得到了我国电子信息企业的各类研发项目(类的划分以项目投入时间为标准)的时间—成本平衡函数具体形式,以及成本对时间的平均弹性。 |
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关键词: 时间—成本平衡函数;成本对时间的弹性;电子信息产业 |
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Study on resource substitution of technology efforts Based on
time-cost tradeoff function
———China s electronics and information industry |
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HU Long-ji, LI Ai |
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(School of Public Management, Huazhong University of Science and Technology, Wuhan 430074, China) |
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Abstract: Employing the time-cost tradeoff function, this paper studies the resource substitution of technology efforts. The elasticity of cost with respect to time is used to label the substitution of technology efforts. After a detaileel analysis of firm level data of China s electronics and information industry, this paper gets the form of time-cost tradeoff function in R&D, based on the function form, this paper finds out the elasticity of cost with respect to time. |
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Key words: time-cost tradeoff function; the elasticity of cost with respect to time; China s electronics and information industry |
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