This paper examines the existence of Berge equilibrium. Colman et al. provide a theorem on the existence of this type of equilibrium in the paper [Colman, A. M., Körner, T. W., Musy, O. and Tazdaït, T. [2011] Mutual support in games: Some properties of Berge equilibria, J. Math. Psychol. 55,...

This paper focuses on the link between group co-operation and unilateral commitment of some countries in the presence of global environmental problems. We show that in case of a failure of negotiation, some countries can decide to commit unilaterally and reduce their emissions. We call this...

</titre> In this paper we consider the tourism cluster as an option of territorial development. Firstly, we point out the genesis of the concept of cluster and its alternative forms. Secondly, we present the specificities of the tourism cluster. Finally, we propose a conceptual framework of the tourism...

[fre] Nous étudions dans cette note les conséquences de l'existence de comportement d'honnêteté dans un jeu de conformité entre une agence environnementale et des firmes polluantes où la politique de contrôle comprend ou non une auto-déclaration des firmes en ce qui concerne les rejets...