Almost-dominant strategy implementation: exchange economies

Abstract

We relax strategy-proofness (a form of dominant strategy implementation) by allowing “small” gains from manipulation. In 2-agent exchange economies, this relaxation is shown to have a discontinuous effect on the range of efficient rules, demonstrating a type of nonrobustness in previous impossibility results. When gains are measured with respect to a single… (More)
DOI: 10.1016/j.geb.2003.08.002

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