In the present note, we show that a weak restriction on out of equilibrium beliefs allows to extend the Revelation Principle to exclusive agency games, even if we consider mixed strategy equilibria. Next, we argue that this result does not extend to games with several agents, even if we restrict...

We study the design of market information in competing-mechanism games. We identify a new dimension, private disclosures, whereby the principals asymmetrically inform the agents of how their mechanisms operate. We show that private disclosures have two important effects. First, they can raise a...