A Note on the Tight Simplification of Mechanisms

Eduardo Perez (1)

1 ECON - Département d'économie (Sciences Po)

This note offers characterizations of tightness and weak tightness. It shows that when the preference domainis that of continuous utility functions on the outcome space, the two notions are equivalent to the outcomeclosure property of Milgrom (2010a).

Mots clés: Mechanism design; Simplification; Tightness

Domaines: Economies et finances

Eduardo Perez. A Note on the Tight Simplification of Mechanisms. Economics Letters, 2011, 110 (1), pp.15 - 17. ⟨10.1016/j.econlet.2010.10.007⟩. ⟨hal-03583826⟩