Journal
COMPUTERS & OPERATIONS RESEARCH
Volume 32, Issue 4, Pages 813-823Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cor.2003.08.019
Keywords
DEA; hierarchy; plants; components; multi-level
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In this paper, we investigate the relative operating efficiencies of a set of electric power plants, and of the individual power units that make up those plants. This two-stage hierarchy is a special case of the general hierarchical structure to which our model can be applied. The model views the plants at the highest level in the hierarchy as the decision-making units whose performance is optimized. Part of the output from the optimization is a set of performance measures for the components of those top level decision-making units. We use the data on 40 power units grouped under eight plants to demonstrate the model. (C) 2003 Elsevier Ltd. All rights reserved.
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