پديدآورندگان :
firoozi shahmirzadi Parisa Department of Mathematics University of Mazandaran, Babolsar, Iran , Mohsenzadeh ledari Ashkan Department of Industrial Engineering, Faculty of Engineering, Kharazmi University, Tehran, Iran , Arshadi Khamseh Alireza Alireza.ArshadiKhamseh@gmail.com Department of Industrial Engineering, Faculty of Engineering, Kharazmi University, Tehran, Iran
كليدواژه :
Data envelopment analysis , Coefficient of Variation , Efficiency , Changing Reference Set , Ranking.
چكيده فارسي :
One of the drawbacks of Data Envelopment Analysis (DEA) is the problem of lack of discrimination among efficient Decision Making Units (DMUs). A method for removing this difficulty is called changing reference set proposed by [5]. The method has some drawbacks. In this paper a method to remove this difficulty is suggested. Numerical example for illustration are given.