Some Conflicting Results in the Analytic Hierarchy Process

Ardalan Bafahm () and Minghe Sun ()
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Ardalan Bafahm: Project Management Office, Research Institute of Construction Management, Tehran 1977867551, Iran
Minghe Sun: College of Business, The University of Texas at San Antonio, San Antonio, TX 78249, USA

International Journal of Information Technology & Decision Making (IJITDM), 2019, vol. 18, issue 02, 465-486

Abstract: The analytic hierarchy process (AHP) has been believed to be one of the most pragmatic and widely accepted methods for multi-criteria decision making. However, there have been various criticisms of this method within the last four decades. In this study, the results of AHP contradicting common expectations are examined for both the distributive and ideal modes. Specifically, conflicting priorities, conflicting decisions, and conflicting preference relations are investigated. A decision-making scenario is used throughout the paper and an illustrative example constructed from the decision-making scenario is provided to demonstrate each of the conflicting results recommended by AHP. With a parametric formulation of each unexpected result, the possibility of unexpected results of AHP is generalized irrespective of applying the distributive or ideal mode. The logic and causes of these contradictions are also analyzed. This study shows that AHP is not always reliable, and could lead the decision makers towards incorrect decisions.

Keywords: Multi-criteria decision making; analytic hierarchy process; conflicting results (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (3)

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DOI: 10.1142/S0219622018500517

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