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report-colorini

Report on the activity of Alberto COLORNI
at Universite Paris-Dauphine, Lamsade

The activity of A. Colorni at Lamsade was mainly devoted to the definition of a context for studying conflict analysis and negotiation.
Conflict analysis is a fundamental step of the negotiation process. The principal goals of the conflict analysis are: (1) to highlight the presence of conflicts among actors; (2) to identify the conflicting actors; (3) to measure the degree of conflict; (4) to provide information to manage the conflicts and support negotiation (for instance identifying concessions that the actors could make to the other actors, exploring new alternatives, identifying subgroups of actors with strong agreement, which could serve as catalyst for consensus building).
The conflict analysis usually makes use of indices to measure the agreement level among the actors. Indices of conflict have been defined, for instance, on criteria weights, on alternatives rankings, on alternatives performances.

The future researches can involve the basic two possible negotiation approaches, called Distillation and Maastricht, which can be used in multi-criteria decision making. Then, we plan to study how the Maastricht approach has been applied in a specific case study of environmental impact assessment.
In this study, the multi-attribute value theory (MAVT) is used for the choice of the transportation system in a tourist village on the Italian Alps.
This problem is characterized by conflicting criteria and conflicting actors, which have different viewpoints (expressed by the criteria weights) and different decision powers. In order to reach a compromise solution, an aggregated viewpoint is generated through a mediation of the different viewpoints of the single actors.
A conflict analysis, conducted on the criteria weights, is then performed to examine the level of agreement associated with the compromise solution. The alternatives’ comparison and the conflict analysis are carried out using specific software for multicriteria, sensitivity and conflict analysis.