The Application of Improved DEA Model in Evaluation of China's Production Comprehensive Efficiency

被引：0

作者：

Cui, Yuquan ^{[1
]}

Shi, Lejun ^{[2
]}

Fang, Yuwei ^{[1
]}

机构：

[1] Shandong Univ, Sch Math, Jinan 250100, Peoples R China

[2] Yantai Vocational Coll, Yantai 264025, Peoples R China

来源：

MECHANICAL ENGINEERING AND TECHNOLOGY | 2012年 / 125卷

关键词：

DEA model; general efficiency; input variables; linear model; nonlinear model;

D O I：

暂无

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

It's a very important problem that how to evaluate China's production efficiency, environmental efficiency and comprehensive efficiency. DEA model is a good method to solve this problem. But DEA model is mainly based on the linear model, therefore, the calculated results have differences with the actual results. In this paper, we improved DEA model. According to the function of output data and input data, we determine the form and number of input variables. If input variables are too many, we can use principal component analysis to reduce the dimensions, and then we use the improved DEA model to calculate. We use the improved DEA model to evaluate and analyze the efficiency of the production environment in China in recent years. Actual evaluation results excellently agree with the actual situation.

引用

页码：685 / +

页数：3

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