Increasing discrimination in multi-criteria analysis

Valeriy Barannik, David J. Blackwood, Ruth E. Falconer

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    Multi criteria methods for supporting decision-making procedures are widely used in sustainability assessment. One of the most important steps in decision-making procedures is the evaluation of policy options or alternatives in order to find a hierarchy of option choices. Utility function value distributions are often constructed for the range of indicators for the options to be assessed. This distribution can be presented as an impact matrix stacked with indicator weights to reflect the relative importance of different indicators for the decision-maker. Solving rules are then introduced to integrate all individual indicator evaluations into a single integral utility estimation. These are often based on the averaging procedures, one of the simplest being arithmetic averaging. Whilst averaging rules are very attractive to decision makers due to their simplicity and logical transparency, using averaging as the first step of the decision-making procedures can significantly reduce the discrimination of the options, especially if there are counteractive individual indicator estimations.

    This paper proposes a method to evaluate and overcome this loss of discrimination. The paper explains the basis of a discriminatory analysis approach to sustainability assessment demonstrates its application through the use of illustrative data and describes its application to an existing case study where researchers had applied a number of multi criteria analysis tools. It was concluded that the discriminatory analysis provided a useful addition to the decision-makers toolbox as it provided a means of assessment of the validity of the application of the simple arithmetic averaging technique.
    Original languageEnglish
    Title of host publicationInternational Conference on Whole Life Urban Sustainability and its Assessment
    EditorsM. Horner, C. Hardcastle, A. Price, J. Bebbington
    Place of PublicationGlasgow
    Number of pages13
    Publication statusPublished - Aug 2007
    EventSUE-MoT Conference 2007: International Conference on Whole Life Urban Sustainability and its Assessment - Glasgow Caledonian University, Glasgow, United Kingdom
    Duration: 27 Jun 200729 Jun 2007


    ConferenceSUE-MoT Conference 2007
    Country/TerritoryUnited Kingdom
    Internet address


    • Multi-criteria decision making tools
    • Sustainability metrics and indicators


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