Econometrica: Jan 1978, Volume 46, Issue 1
A Note on the Characterization of Mechanisms for the Revelation of Preferences
Mark WalkerGreen and Laffont have characterized certain appealing dominant-strategy revelation mechanisms as precisely the mechanisms introduced by Groves, but they have established the characterization only for unstructured sets of public alternatives: if the set has some natural structure, their proof generally requires that pathological preferences be admissible. It is shown here that the same characterization holds on sets in R^n, even when only nice preferences are admitted; this greatly extends the usefulness of the characterization.
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