期刊
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
卷 297, 期 1, 页码 221-238出版社
ELSEVIER
DOI: 10.1016/j.ejor.2021.04.051
关键词
Group decisions and negotiations; Maximum satisfaction consensus; Budget constraints; Soft consensus; Tolerance and compromise limit behaviors
资金
- National Natural Science Foundation of China [71901058, 71971053, 71673118]
- Fundamental Research Funds for the Central Universities [2232018H-07]
This paper proposes a consensus-reaching approach based on maximum satisfaction under budget constraints for decision-makers with behaviors of tolerance and limited compromise. The results from the case study of China's Taihu Lake pollution control demonstrate the impact of individual tolerance behavior on the consensus outcome and the importance of selecting an appropriate consensus threshold for real application. Furthermore, soft consensus measures are introduced to achieve different levels of consensus.
In the consensus reaching process (CRP), decision-makers (DMs) often present behaviors of tolerance and limited compromise when adjusting their opinions, which may lead to the actual decision deviating from the solution recommendation obtained by applying the current minimum cost consensus theory. In this paper, we propose a consensus-reaching approach based on maximum satisfaction under budget con-straints for DMs with these two behaviors. To obtain a feasible budget constraint of the CRP, a reference budget consensus model (RBCM) incorporating both of these behaviors is first developed. Under the con-straint of the limited budget, we propose a maximum satisfaction consensus model (MSCM) to maximize the satisfaction level of all DMs based on the goal programming theory. To further achieve different levels of consensus, we propose a soft MSCM under a certain threshold using soft consensus measures. More -over, the proposed consensus models are illustrated by the data of China's Taihu Lake pollution control. The results suggest that: First, the individual tolerance behavior has a higher impact on the consensus outcome than the compromise limit, whereas the latter is more likely to affect the satisfaction of each DM. Second, as the budget increases, the consensus opinion and group satisfaction level will increase toward a higher average cost until they remain constant. Last, a higher consensus threshold will reduce DMs' satisfaction levels, and an appropriate threshold should be selected as the control baseline of the CRP in the real application. (c) 2021 Elsevier B.V. All rights reserved.
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