4.7 Article

A prospect theory-based method for fusing the individual preference-approval structures in group decision making

Journal

COMPUTERS & INDUSTRIAL ENGINEERING
Volume 117, Issue -, Pages 237-248

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2018.01.001

Keywords

Group decision making; Prospect theory; Preference-approval structure; Weights; Interval

Funding

  1. NSF of China [71571140, 71601133]
  2. Xidian University in China [XJS17004]

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Preference-approval structure is a typical preference structure that can not only reflect decision makers' preference orderings for alternatives but also distinguish the satisfied alternatives from the dissatisfied alternatives. The aim of this paper is to propose a method to fuse the individual preference-approval structures in group decision making (GDM), in which the weight of decision makers can be represented as the exact number (i.e., exact weight), the interval number (i.e., interval weight) and the rankings (i.e., ranking weight). In the method, based on prospect theory, the prospect values of all the alternatives associated with each decision maker are calculated. In addition, the expected values of the weights of decision makers are calculated. Then, the relative-position indicators of the alternatives are determined. In addition, two algorithms are proposed to determine the reading sequences of the alternatives. Based on the reading sequences, an algorithm is proposed to construct the fused preference-approval structure. Next, some desirable properties of the proposed method are discussed. Finally, an example is given to illustrate the use of the proposed method, and the versatility, consistency, efficiency and computational complexity of the proposed method are discussed.

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