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A modified procedure for synthesising ratio judgements in the analytic hierarchy process

Author

Listed:
  • J-M Yeh

    (National Cheng Kung University)

  • C Lin

    (National Cheng Kung University)

  • B Kreng

    (National Cheng Kung University)

  • J-Y Gee

    (National Cheng Kung University)

Abstract

The analytic hierarchy process (AHP) has been widely applied to solve problems arising in group decision making, by synthesising different or conflicting judgements. However, directly synthesising conflicting judgements by calculating the geometric mean of preference weights (ratios) in AHP may not reach consensus from all members in a decision making group, especially, when those members represent the stakeholders of the decision making problem. This study proposes a new method that uses the genetic algorithm and utility function to synthesise preference weights to prevent this fallacy occurring when implementing the classical AHP approach. Using the proposed method, the final decision can be achieved with only minimally-adjusted preference weights.

Suggested Citation

  • J-M Yeh & C Lin & B Kreng & J-Y Gee, 1999. "A modified procedure for synthesising ratio judgements in the analytic hierarchy process," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 50(8), pages 867-873, August.
    • Handle: RePEc:pal:jorsoc:v:50:y:1999:i:8:d:10.1057_palgrave.jors.2600768
    DOI: 10.1057/palgrave.jors.2600768
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