Uncertain SBM data envelopment analysis model: A case study in Iranian banks

Author(s):  
Mohammad Jamshidi ◽  
Masoud Sanei ◽  
Ali Mahmoodirad ◽  
Farhad Hoseinzadeh Lotfi ◽  
Ghasem Tohidi
2019 ◽  
Vol 37 (2) ◽  
pp. 2937-2951 ◽  
Author(s):  
Mohammad Jamshidi ◽  
Masoud Saneie ◽  
Ali Mahmoodirad ◽  
Farhad Hoseinzadeh Lotfi ◽  
Ghasem Tohidi

2010 ◽  
Vol 30 (1) ◽  
pp. 175-193 ◽  
Author(s):  
Aline Bandeira de Mello Fonseca ◽  
João Carlos Correia Baptista Soares de Mello ◽  
Eliane Gonçalves Gomes ◽  
Lidia Angulo Meza

We propose in this paper an extension to the Zero Sum Gains Data Envelopment Analysis model (ZSG-DEA). The proposed approach takes into account, simultaneously, non-radial projections and cone-ratio weights restrictions. We developed an iterative approximate algorithm to solve this model, as in the case study it is oriented only to the constant sum output. The theoretical approach is applied to the concession of discounts and surcharges problem, in terms of airport fees.


2019 ◽  
Vol 53 (5) ◽  
pp. 1633-1648 ◽  
Author(s):  
Hashem Omrani ◽  
Setareh Mohammadi ◽  
Ali Emrouznejad

Data Envelopment Analysis (DEA) is a powerful method for analyzing the performance of decision making units (DMUs). Traditionally, DEA is applied for estimating the performance of a set of DMUs through measuring a single perspective of efficiency. However, in recent years, due to increasing competition in various industries, modern enterprises focus on enhancing their performance by measuring efficiencies in different aspects, separately or simultaneously. This paper proposes a bi-level multi-objective DEA (BLMO DEA) model which is able to assess the performance of DMUs in two different hierarchical dimensions, simultaneously. In the proposed model, we define two level efficiency scores for each DMU. The aim is to maximize these two efficiencies, simultaneously, for each DMU. Since the objective functions at both levels are fractional, a fuzzy fractional goal programming (FGP) methodology is used to solve the proposed BLMO DEA model. The capability of the proposed model is illustrated by a numerical example. Finally, to practically validate the proposed model, a real case study from 45 bank’s branches is applied. The results show that the proposed model can provide a more comprehensive measure for efficiency of each bank’s branch based on simultaneous measuring of two different efficiencies, profit and operational efficiencies, and by considering the level of their importance.


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