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Chinese Journal of Management Science ›› 2025, Vol. 33 ›› Issue (4): 120-130.doi: 10.16381/j.cnki.issn1003-207x.2022.0297

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Maximum Utility Consensus Models with Interacting Attributes under Budget Constraints

Dong Cheng1(), Jianlin Hou1, Faxin Cheng2   

  1. 1.Glorious Sun School of Business & Management,Donghua University,Shanghai 200051,China
    2.School of Management,Jiangsu University,Zhenjiang 212013,China
  • Received:2022-02-18 Revised:2022-06-17 Online:2025-04-25 Published:2025-04-29
  • Contact: Dong Cheng E-mail:chengdong@dhu.edu.cn

Abstract:

One of the key problems in multi-attribute group decision-making (MAGDM) is how to reach a consensus on multi-attribute opinions, while the interaction between attributes will affect the adjustment of decision-makers' opinions on each attribute and the consensus outcome. However, the extant research often assumes that attributes are independent of each other and ignores the impact of their interactions on consensus efficiency and decision-maker's consensusutility. It aims to explore the consensus problem of how to obtain the maximumconsensus utility with a limited budget considering interacting attributes. First, Choquet integral is introduced to solve the interacting relationship among multiple attributes, and a minimum cost consensus model with interacting attributes is built. Second, considering thedecision-maker's consensus utility and limited budget, a maximum utility consensus model with interacting attributesunder budget constraints is constructed. To ensure that the proposed model has the optimal solution, an interaction optimization model is built to determine the range of the interaction weight between attributes. Finally, the consensus model is validated by thecontract negotiation between the government and farmers. Results show that: (1) Compared with independent attributes, the negative interaction between attributes can increase the consensus cost, while the positive one reduces the consensus cost; (2) Both attribute complementary and redundant relationship will improve the group consensus utility, and the stronger the interaction relationship, the more significant the effect on consensus utility; (3) The redundant relationship between attributes has a greater impact on consensus cost and consensus utility than the complementary relationship. Thus, the interaction of attributes should be fully considered in consensus decision-making, and a reasonable balance between the cost budget and consensus utility will help to maximize consensus utility.It can also provide theoretical reference and methodology support forMAGDMwithinteracting attributes in this study.

Key words: consensus decision-making, maximum utility, interacting attributes, budget constraints, Choquet integral

CLC Number: