Social Choice with Infinite Populations

We provide a simple construction of social choice rules for economies with infinite populations. The rules are continuous, Pareto and non dictatorial; they are constructed as limits of individual preferences whenthe limit exists, and otherwise as adequate generalizations. This contrastswith the impossibility results of Arrow (1951) and Chichilnisky (1980), whichare valid on economies with finitely many individuals. Our social choicerules are, however, limits of dictatorial rules. This paper was written in1979.

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