Accinelli, Elvio; Plata, Leobardo; Puchet, Martín - Departamento de Economía, Facultad de Ciencias Sociales - 2007
In this paper we show that in a pure exchange economy it is possible to improve the social welfare along an e±cient path. This path will be called the Negishi map. Moving the relative weights of the agent in a social welfare utility function, we obtain an e±cient path of allocations and social...