Input allocation with the Ellipsoidal Frontier Model

AUTOR(ES)

Alves, Luciene Bianca, Milioni, Armando Zeferino, Soma, Nei Yoshihiro

FONTE

Pesqui. Oper.

DATA DE PUBLICAÇÃO

08/04/2014

RESUMO

This work aims at complementing the development of the EFM (Ellipsoidal Frontier Model) proposed by Milioni et al. (2011a). EFM is a parametric input allocation model of constant sum that uses DEA (Data Envelopment Analysis) concepts and ensures a solution such that all DMUs (Decision Making Units) are strongly CCR (Constant Returns to Scale) efficient. The degrees of freedom obtained with the possibility of assigning different values to the ellipsoidal eccentricities bring flexibility to the model and raises the interest in evaluating the best distribution among the many that can be generated. We propose two analyses named as local and global. In the first one, we aim at finding a solution that assigns the smallest possible input value to a specified DMU. In the second, we look for a solution that assures the lowest data variability.

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