Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/165954 
Year of Publication: 
2016
Series/Report no.: 
Memorandum No. 11/2016
Publisher: 
University of Oslo, Department of Economics, Oslo
Abstract: 
Some inadequate results may appear in the DEA models as in any other mathematical model. In the DEA scientific literature several methods were proposed to deal with these difficulties. In our previous paper, we introduced the notion of terminal units. It was also substantiated that only terminal units form necessary and sufficient sets of units for smoothing the frontier. Moreover, some relationships were established between terminal units and other sets of units that were proposed for improving the frontier. In this paper we develop a general algorithm for smoothing the frontier. The construction of algorithm is based on the notion of terminal units. Our theoretical results are verified by computational results using real-life data sets and also confirmed by graphical examples.
Subjects: 
Data Envelopment Analysis (DEA)
Terminal units
Anchor units
Exterior units
JEL: 
C44
C61
D24
Document Type: 
Working Paper

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