A method for multiple pseudo-criteria decision problems

A method for multiple pseudo-criteria decision problems

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Article ID: iaor20021017
Country: United Kingdom
Volume: 28
Issue: 14
Start Page Number: 1427
End Page Number: 1439
Publication Date: Dec 2001
Journal: Computers and Operations Research
Authors:
Keywords: decision theory: multiple criteria
Abstract:

Most complex decision problems involve conflicting multicriteria to be reconciled. It is not uncommon that the numerical values of alternatives of some criteria are subject to imprecision, uncertainty, and indetermination. The concept of pseudo-criterion and its two thresholds allows them to be taken into account. So far, outranking relation methods, which are called ELECTRE I–IV and others, in which an outranking relation between alternatives is constructed from pseudo-criteria, have been developed. Among others, ELECTRE III is the most familiar and has been widely used. The purpose of this paper is to propose a new procedure for treating the pseudo-criterion based on the ternary AHP. This procedure differs from ELECTRE III and requires only the incomplete information on the weights but not precise weights. Strict preference, weak preference, and indifference relations associated with a pseudo-criterion are formulated by a ternary comparison. In general, the procedures for dealing with the pseudo-criterion necessarily involve a certain amount of arbitrariness. Therefore, it is preferable to derive the rankings of alternatives from several procedures for the pseudo-criterion in order to promote complementary viewpoints. Comparing our procedure with ELECTRE III, the strengths and weaknesses of the proposed procedure are discussed.

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