The main focus of this study was to highlight the influence of biased judgments (BJs) on the results of decision-making (DM). Priorities for the development of local value chains were structured using an analytic network process. Also, the possibility of using the Delphi technique (DT) as a solution to moderately biased judgments was examined. In each value chain, the preference of its stakeholders compared with the preference of the rest of the panel. The results clearly showed that stakeholders in each value chain have some kind of biased judgments concerning their value chain. The results also clarified that the BJs were influential in changing the DM results, and the DT was also influential in modifying biased judgments. The findings of this study showed that the selection of DM panel members is a vital stage of group DM, and also proved that there are available approaches like the DT to mitigate BJs.
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