Opportunity Losses Due to Uncertainty in Multiobjective Decision Problems |
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Authors: | D Davis L Duckstein F Szidarovszky |
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Institution: | Department of Systems and Industrial Engineering University of Arizona Tucson, Arizona 85721 USA;Department of Mathematics and Computer Science University of Agriculture Budapest, Villanyi ut 29-35, H-1118, Hungary |
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Abstract: | A multiobjective maximization problem is considered in which at least one objective function fi(x, C) depends on a random parameter C. If a single-valued measure, such as weighting or an lp distance, is used to determine the preferred solution among the nondominated solutions, then standard decision-theoretic methods can be used to determine the expected opportunity loss (EOL). By an example hydrologic problem, it is shown that EOL is highly dependent on the single-valued measure selected to solve the multiobjective problem. The expected multiobjective opportunity loss (EMOL) is developed as a vector-valued measure of the effect of uncertainty on the problem which is independent of the technique. Finding the decision point with minimum EOL or EMOL is a possible way of selecting the preferred point. Problems pertaining to a multiobjective formulation of the EOL concept are examined. |
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