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On Interpersonal Comparability and Social Welfare Orderings

Louis Gevers

Abstract

Two sets of orderings are characterized. In either case, these orderings are defined on the n-dimensional Euclidean space, interpreted as the utility space. Moreover, they all satisfy the strong Pareto principle, an anonymity axiom, and an axiom of interpersonal comparability of utility levels. In one case, interpersonal comparability of utility gains is also assumed.