The Adjusted Spherical Frontier Model with weight restrictions |
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Authors: | Rodrigo Cesar Silva Armando Zeferino Milioni |
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Institution: | 1. Texas Tech University, Whitacre College of Engineering, Department of Industrial Engineering, Box 43061, Lubbock, TX 79409-33061, Brazil;2. Instituto Tecnológico de Aeronáutica-ITA, Praça Marechal Eduardo Gomes, 50, Vila das Acácias, CEP 12.228-900, São José dos Campos, SP, Brazil |
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Abstract: | This paper presents the ASFM-lp model, a parametric Data Envelopment Analysis (DEA) model for allocating resources, commonly called inputs. This model considers that a fair allocation of inputs is one that maximizes the DEA-CCR efficiencies of the Decision Making Units (DMUs). The main assumption of the ASFM-lp is the predefined spherical shape of the efficiency frontier. We have demonstrated that our method extends the existing parametric model ASFM to allow the introduction of weight restrictions, which has great importance in practical applications of DEA. Numeric examples are presented to show the application of the method. |
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Keywords: | DEA Resource allocation Weight restrictions |
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