Efficiency among strategy-proof rules: several commodities and agents with single-peaked preferences

AGUSTÍN G. BONIFACIO

San Pablo

Workshop; International Workshop on Game Theory and Economic Applications of the Game Theory Society; 2014

Universidad de San Pablo

We study strategy-proof allocation rules in economies with several perfectly divisible commodities and agents with single- peaked preferences. A rule is "efficient among strategy-proof rules" (Anno and Sasaki, 2013) if it is strategy-proof and it is not Pareto-dominated by any other strategy-proof rule. We show that the uniform allocation rule is the only rule that satisfies efficiency among strategy-proof rules, the equal endowments lower bound and replacement monotonicity. This result extends to arbitrarily many agents the two-agent characterization presented by Anno and Sasaki (2013).