Abstract
The assignment of importance weightings to each criterion is a crucial step in the application of all versions of the ELECTRE model with the exception of ELECTRE IV. Because it is a non-compensatory decision-aid model, the interpretation of weights is different than for a compensatory system such as MAUT (Keeney and Raiffa, 1976), where they amount to being substitution rates, allowing differences in preferences, as they relate to different criteria, to be expressed on the same scale. Within ELECTRE, the ‘weights’ used are not constants of scale, but are simply a measure of the relative importance of the criteria involved. Vincke (1992) likens the weighting of a criterion, in this instance, to the number of votes given to a candidate in a voting procedure, with the final tally indicating the relative importance of each criterion ‘candidate’.
Keywords
Decision Maker Decision Support Importance Weighting Criterion Weighting Personal ConstructPreview
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