Title: PRIME - Preference Ratios in Multiattribute Evaluation
Authors: Ahti A. Salo and Raimo P. Hämäläinen, Helsinki University of Technology
Date: December 1997
Status: Systems Analysis Laboratory Working Paper

This paper develops the PRIME method which elicits the decision maker's preferences through possibly imprecise statements about value differences. In PRIME, the alternatives need not have numerical measurement scales, and because the elicitation procedure can be carried in several different ways, PRIME offers a number of approaches for supporting multiattribute problems under certainty. In terms of its use of ratio comparisons, PRIME resembles the AHP, but because the ratio comparisons relate to differences on measurable value functions, it avoids some of the problems for which the AHP has been criticized. An example is developed to illustrate the method.

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