Ranking Alternatives by Pairwise Comparisons Matrix and Priority Vector

Ramík Jaroslav ()
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Ramík Jaroslav: Department of Informatics and Mathematics, School of Business Administration in Karviná, Silesian University in Opava, Czech Republic

Scientific Annals of Economics and Business, 2017, vol. 64, issue s1, 85-95

Abstract: The decision making problem considered here is to rank n alternatives from the best to the worst, using information given by the decision maker(s) in the form of an n×n pairwise comparisons (PC) matrix. We investigate pairwise comparisons matrices with elements from a real interval which is a traditional multiplicative approach used in Analytic hierarchy process (AHP). Here, we deal with two essential elements of AHP: measuring consistency of PC matrix and the method of eliciting the priority vector by which the final ranking of alternatives is derived. Classical approaches introduced by T. Saaty in AHP are compared with later approaches based on the AHP criticism published in the literature. Advantages and disadvantages of both approaches are highlighted and discussed.

Keywords: pairwise comparisons matrix; priority vector; ranking alternatives; analytic hierarchy process; AHP (search for similar items in EconPapers)
JEL-codes: C44 (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:aicuec:v:64:y:2017:i:s1:p:85-95:n:7

DOI: 10.1515/saeb-2017-0040

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