Abstract
Since 1983, all acquisitions of data-processing equipment, consulting services, and software by the central public administration offices in Spain must be evaluated and approved by a high-level governmental commission. This commission relies on a discrete multicriteria methodology I developed and subsequently collaborated in implementing into a decision support system. The decision support system allows three different evaluations and normalization procedures to prevent suppliers from performing their customary strategic manipulations. It can conduct domination and satisfaction preanalyses, it offers four different aggregation methods, and it performs several sensitivity analyses.
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