Working Paper : 2305


Authors Koundouri, P., Papayiannis, G., Petracou, E. and Yannacopoulos, A.
Title Consensus group decision making under model uncertainty with a view towards environmental policy making
Abstract In this paper we propose a consensus group decision making scheme under model uncertainty consisting of a two-stage procedure and based on the concept of Frechet barycenter. The first stage is a clustering procedure in the metric space of opinions leading to homogeneous groups, whereas the second stage consists of a proposal most likely to be accepted by all groups. An evolutionary learning scheme of proposal updates leading to consensus is also proposed. The schemes are illustrated in examples motivated from environmental economics.
Creation Date 2023-02-06
Keywords consensus group decision making; model uncertainty; environmental decision making; Frechet barycenter;
File 2023.Group.Decision.Making.with.Barycenters.pdf (912679 bytes)
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