Group Decision and Negotiation

, Volume 22, Issue 3, pp 561–597 | Cite as

Mediation with Incomplete Information: Approaches to Suggest Potential Agreements

  • Paula SarabandoEmail author
  • Luís C. Dias
  • Rudolf Vetschera


In bilateral Negotiation Analysis, the literature often considers the case of complete information. In this context, since the negotiators know the value functions of both parties, it is not difficult to calculate the Pareto efficient solutions for the negotiation. Thus rational negotiators can reach agreement on this frontier. However, these approaches are not applied in practice when complete information is not available. The research question of our work is “It is possible to help negotiators achieving an efficient solution in the absence of complete information regarding the different parameters of the model?”. We propose to derive incomplete information about the preferences of negotiators from the statements they make and the offers they exchange during the negotiation process. We present and discuss three approaches that use this information in order to help a mediator proposing a better solution than the compromise the negotiators have reached or are close to reach.


Incomplete information Negotiation Mediation Integrative negotiation Dance of the packages 


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Paula Sarabando
    • 1
    Email author
  • Luís C. Dias
    • 2
  • Rudolf Vetschera
    • 3
  1. 1.Polytechnic Institute of Viseu and INESC CoimbraCoimbraPortugal
  2. 2.School of Economics and INESC CoimbraUniversity of CoimbraCoimbraPortugal
  3. 3.University of ViennaViennaAustria

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