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An essay on rank preservation and reversal

✍ Scribed by Thomas L. Saaty; Mujgan Sagir

Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
665 KB
Volume
49
Category
Article
ISSN
0895-7177

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✦ Synopsis

Rank preservation and reversal, so fundamental in decision making, have been an unresolved issue in the field of economics and utility theory and came into focus when the Analytic Hierarchy Process was developed because it uses paired comparisons that inevitably make the priorities of the alternatives interdependent. This paper summarizes the important issues that can play a role in rank preservation and reversal with counterexamples to show that preserving rank in all situations is wrong.

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