monotonicity condition that is necessary and -- in economic environments -- sufficient for full implementation in ex post …, ex post implementation can be achieved in the direct mechanism. We show by means of two classic examples that ex post … implementation). The single unit auction with interdependent valuations is shown to satisfy ex post monotonicity but not Maskin …

underlying implementation duality. We show how this duality can be used to obtain a sharpening of the taxation principle, to …

benefits also affect member states' implementation of these rules. Using econometric techniques, we estimate the influence of …

This note studies (full) implementation of social choice functions under complete information in (correlated …) rationalizable strategies. The monotonicity condition shown by Maskin (1999) to be necessary for Nash implementation is also …

robust implementation. Robust monotonicity is strictly stronger than both Maskin monotonicity (necessary and almost … sufficient for complete information implementation) and ex post monotonicity (necessary and almost sufficient for ex post … implementation). It is equivalent to Bayesian monotonicity on all type spaces. …

together with strict ex post incentive compatibility is sufficient to guarantee robust implementation in the direct mechanism …. Strict EPIC and the contraction property are also necessary for robust implementation in any mechanism. The contraction …