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versão impressa ISSN 0121-5051
Resumo
RODRIGUEZ LOZANO, Gloria Isabel. Measuring relative efficiency in three subsectors of the Colombian economy from 1993 to 1999 using Data Envelopment Analysis (D.E.A.). Innovar [online]. 2003, vol.13, n.21, pp.145-181. ISSN 0121-5051.
Data Envelopment Analysis (DEA) methodology was used for determining the relative performance of different organisational units regarding multiple entry and departure. This article develops the study of three sub-sectors of the Colombian economy between 1993 and 1999, establishing comparative performance between different companies from the same sector and thus determining which of them made the best use of their resources. Characteristics of efficiency which could not be considered by using DEA for calculating financial ratios were identified, demonstrating that those companies with the best operational and/ or net margins were not necessarily the most efficient.
Palavras-chave : Efficiency; D.E.A.; relative efficiency; measuring efficiency; sub-sectors.