An ellipsoidal frontier model: Allocating input via parametric DEA
| Autor: | José Virgílio Guedes de Avellar, João Carlos Correia Baptista Soares de Mello, Eliane Gonçalves Gomes, Armando Zeferino Milioni |
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| Rok vydání: | 2011 |
| Předmět: |
Mathematical optimization
Information Systems and Management General Computer Science Computer science Context (language use) Management Science and Operations Research Ellipsoid Industrial and Manufacturing Engineering Frontier Distribution (mathematics) Modeling and Simulation Data envelopment analysis Sensitivity (control systems) Parametric statistics |
| Zdroj: | European Journal of Operational Research. 209:113-121 |
| ISSN: | 0377-2217 |
| DOI: | 10.1016/j.ejor.2010.08.008 |
| Popis: | This paper presents the ellipsoidal frontier model (EFM), a parametric data envelopment analysis (DEA) model for input allocation. EFM addresses the problem of distributing a single total fixed input by assuming the existence of a predefined locus of points that characterizes the DEA frontier. Numeric examples included in the paper show EFM’s capacity to allocate shares of the total fixed input to each DMU so that they will all become efficient. By varying the eccentricities, input distribution can be performed in infinite ways, gaining control over DEA weights assigned to the variables in the model. We also show that EFM assures strong efficiency and behaves coherently within the context of sensitivity analysis, two properties that are not observed in other models found in the technical literature. |
| Databáze: | OpenAIRE |
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