Gamba, Elvio Accinelli; Pérez, Leobardo Plata - In: Ensayos Revista de Economia XXVII (2008) 2, pp. 49-88
In this paper we show the strong relation existing between efficiency and social welfare. We introduce the concept of Negishi path, a differentiable manifold that shows the relation between distributions of social weights and efficient allocations. We show that it is possible to assign to each...