Evaluation of Environmental Policy Strategies with Imprecise Preference Information

Poeyhoenen, M. (1994). Evaluation of Environmental Policy Strategies with Imprecise Preference Information. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-94-087

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Abstract

Multicriteria decision making techniques give a decision maker a way to thoroughly analyze complex problems and state his or her arguments for decisions. The techniques usually require precise numerical information of the decision maker's preferences and the parameters of a decision problem. However, it is most often difficult to get this information. There may be several decision makers which have different opinions and the parameters of the decision problem may be ambiguous. Preference Assessment by Imprecise Ratio Statements (PAIRS) is a hierarchical weighting technique which allows decision makers to give preference statements with intervals instead of single point estimates. Here this new technique is applied to two case studies where decision makers have to select the most suitable solution from a discrete set of alternatives for a problem which involves several conflicting environmental and economic factors.

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