A slacks-based nonlinear DEA model with integer data: an application to departments of the Islamic Azad University, Karaj Branch in Iran

被引:1
作者
Moazenzadeh, Zahra [1 ]
Saati, Saber [1 ]
Saen, Reza Farzipoor [2 ]
Matin, Reza Kazemi [3 ]
Sohraee, Sevan [1 ]
机构
[1] Islamic Azad Univ, Dept Math, North Tehran Branch, Tehran, Iran
[2] Sultan Qaboos Univ, Coll Econ & Polit Sci, Dept Operat Management & Business Stat, Muscat, Oman
[3] Islamic Azad Univ, Dept Math, Karaj, Iran
关键词
data envelopment analysis; non-radial model; integer-valued data; slack based measure; DATA ENVELOPMENT ANALYSIS; CATEGORICAL VARIABLES; EFFICIENCY; OUTPUTS; INPUTS;
D O I
10.37190/ord220306
中图分类号
C93 [管理学]; O22 [运筹学];
学科分类号
070105 ; 12 ; 1201 ; 1202 ; 120202 ;
摘要
Although Data Envelopment Analysis (DEA) assumes that inputs and outputs take non-negative real values, in some real -world cases, data are integer-valued. In some situations, rounding a fractional value to the closest integer can lead to a misleading evaluation of efficiency and in some cases may lead to an infeasible projection point. To date, various radial and non-radial models have been presented. This paper proposes a slacks-based non-linear model that guarantees an integer-valued reference point for all integer targets. Also, the reference point of each target is feasible under the proposed model. The lack of a need to round answers to the closest whole value is an advantage of this method. In addition, the results of this model are compared with other models. An example is used to clarify the suggested method.
引用
收藏
页码:80 / 91
页数:12
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