Gratuitous cooperation (in favour of non-relatives and without repeated interaction) eludes traditional evolutionary …, conformism and gratuitous cooperation co-evolve, and group selection is a necessary ingredient for the co-evolution to take place …-mutations (e.g., the rare emergence of a charismatic leader that brings order to the group) are necessary to sustain cooperation in …

environments in which they experience more cooperation in comparison with controls? …

, and loyalty is related to trust. Ultimately, trust and commitment engender successful cooperation. The model can be used … successful strategies based on cooperation. …

that full cooperation always emerges. Conformism is thus identified as a new mechanism that can stabilize cooperation. …

International cooperation over the major rivers in South Asia took a new turn with the signing in 1996 and 1997 of five … innovative water, power and economic cooperation agreements. The innovations include four elements: (i) the transfer of some …