Econometrica: Jan 1978, Volume 46, Issue 1

A Note on the Characterization of Mechanisms for the Revelation of Preferences

https://doi.org/0012-9682(197801)46:1<147:ANOTCO>2.0.CO;2-W
p. 147-152

Mark Walker

Green 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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