Paper Information

Journal:   INTERNATIONAL JOURNAL OF DATA ENVELOPMENT ANALYSIS   summer 2017 , Volume 5 , Number 3 (19); Page(s) 1327 To 1336.
 
Paper: 

An Approach to Identify and Evaluate Congestion in Data Envelopment Analysis

 
 
Author(s):  GHOMASHI A., ABBASI M.*
 
* Department of mathematics, Kermanshah Azad University, Kermanshah, Iran
 
Abstract: 
Congestion indicates an economic state where inputs are overly invested. Evidence of congestion occurs whenever reducing some inputs can increase outputs. In this paper, we present a new model to identify and evaluate congestion in Data Envelopment Analysis (DEA). We use output efficient DMUs to construct our proposed model to evaluate congestion. We also proposed a linear inequality and equality system to identify the occurrence of congestion. Finally, three numerical examples are presented to illustrate the use of our proposed method.
 
Keyword(s): Data Envelopment Analysis,Congestion,Efficiency
 
References: 
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