# Utilitarianism, Egalitarianism, and the Timing Effect in Social Choice Problems

@article{Myerson1981UtilitarianismEA, title={Utilitarianism, Egalitarianism, and the Timing Effect in Social Choice Problems}, author={Roger B. Myerson}, journal={Econometrica}, year={1981}, volume={49}, pages={883-897} }

Two theorems are derived about social choice functions, which are defined on comprehensive convex subsets of utility allocation space. Theorem 1 asserts that a linearity condition, together with Pareto optimality, implies that a social choice function must be utilitarian. Theorem 2 asserts that a concavity condition, together with Pareto optimality and independence of irrelevant alternatives, implies that a social choice function must be either utilitarian or egalitarian. These linearity and…

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