Caparrós, Alejandro; Hammoudi, Abdelhakim; Tazdaït, Tarik - Fondazione ENI Enrico Mattei (FEEM) - 2004
concepts of refraction and exchanging, we set up conditions of existence and enlargement of a coalition with heterogeneous … agents. We use the concept of exchanging agents to give necessary conditions for internal stability and show that refraction …