Conflicts: What drives them? Emotional versus interest-based explanations -- The neuroscience evidence on emotional aspects of conflict and cooperation -- Interest-based approaches -- Toward a synthesis: Developing new Mmdels of conflict and cooperation -- Defining new models: The importance of rank-dependent expected utility -- Cooperative Stability -- Empirically oriented models -- Basic model -- Historical examples -- Data generations and its problems -- Empirical analyses of given conflicts and ends of conflicts -- General considerations on conflict and cooperation and conclusions -- Appendix -- References.