统计研究 ›› 2010, Vol. 27 ›› Issue (7): 78-83.

• 论文 • 上一篇    下一篇

直接消耗系数连续性修订----加入规模经济的扩展

魏瑾瑞 陈楠   

  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2010-07-15 发布日期:2010-07-15

Continuous Correction of Direct Consumption Coefficient-Extension with Economies of Scale Wei Jinrui & Chen Nan

Wei Jinrui & Chen Nan   

  • Received:1900-01-01 Revised:1900-01-01 Online:2010-07-15 Published:2010-07-15

摘要: 综述了直接消耗系数修订的必要性和各种现有的修订思路。在满足修订基本前提下,加入规模经济将完全竞争框架扩展到垄断竞争框架。这种修正方法使得直接消耗系数在既定的时间点上满足线性假定(静态分析),但演进过程却成指数关系。对Malmquist指数分解不仅可以获得技术变化的测度,还可以计量技术使用效率的变化(包括纯效率和规模效率的变化),这使得直接消耗系数变化的来源更加清晰可见。连续性修订旨在发现长期跃迁的内在过程及其机理。

关键词: 直接消耗系数, Malmquist指数, 数据包络分析, 轮换分解

Abstract: We summarize the necessity of update direct consumption coefficient and some existent updating methods. The input and output analysis are based on constant return to scale, but that is not the case. We consider variant return to scale to correct the deficiency, which confines to the linear assumption at certain point, while it is an exponential relationship between the two points. We use Malmquist index as parameters to obtain the specific reason why direct consumption coefficient change.

Key words: Direct, Consumption, Coefficient, Malmquist, Index, Data, Envelopment, Analysis, Decomposition, by, Turn