Almost-dominant strategy implementation: Exchange economies

James Schummer*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


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 non-robustness in previous impossibility results. When gains are measured with respect to a single good and preferences are linear, we characterize a particular rule as being the most equitable among all efficient rules satisfying the relaxation.

Original languageEnglish (US)
Pages (from-to)154-170
Number of pages17
JournalGames and Economic Behavior
Issue number1
StatePublished - Jul 2004


  • Almost dominant strategy
  • Strategy-proofness
  • ε-dominant

ASJC Scopus subject areas

  • Finance
  • Economics and Econometrics


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