供应链前沿生产函数的DEA估计研究

DEA Estimation to Frontier Production Functions of Supply Chains

技术效率评价在管理学理论研究与企业市场实践中均具有重要意义,而对技术效率的评价必须立足于对前沿生产函数的估计。供应链管理已经被证实是降低成本以提供更大产品与更好服务的有效方法,然而,对于供应链的前沿生产函数的估计尚未得到研究。这主要是因为两方面研究的缺乏;其一,多产出的生产系统的前沿生产函数估计方法;其二,多阶段的生产系统的前沿生产函数估计方法。本文将提出一种供应链前沿生产函数的估计方法,以解决上述两个主要障碍。有关商业银行运作的实证研究表明,该方法能够估计供应链的前沿生产函数。

Evaluation to technical efficiency is of great importance for both academic research in manage- ment science and the real world applications in market economy. The exact evaluation to technical efficiency should be based on the accuracy of estimation to the frontier production functions. Supply chain management has proven as an effective means to provide high-quality products or serves at the least cost. How-ever, the research on the frontier production functions of supply chains is still in absence. Two reasons can be concluded, the first one is the absence of methods to estimate the frontier production functions of multi- ple-output process, and the second is the absence of methods to estimate the frontier production functions of multiple-stage process. This paper will advance an approach to estimate the frontier production functions of supply chains and the two obstacles can be overcome. The real world application about commercial banking process demonstrates that the proposed approach can be used to estimate the frontier production functions of supply chains.