In this paper, we present a model of implementation where infea- sible allocations are converted into feasible ones through a process of renego- tiation that is represented by a reversion function. We describe the maximal set of Social Choice Correspondences that can be implemented in Nash Equi-...

We present a model of rational and fully informed players. We show that in absence of binding agreements, in many cases, war can be avoided by transferring resources from one player into another. In most cases the rich country transfers money to the poor country. But when the military...