We study information transmission between informed experts and an uninformed decision-maker who only takes binary decisions. In the single expert case, we show that information transmission can only be relatively poor. Hence, even sophiscated communication games do not yield equilibria which (ex...

Asymmetric information in procurement entails double marginalization. The phenomenon is most severe when the buyer has all the bargaining power at the production stage, while it vanishes when the buyer and suppliers' weights are balanced. Vertical integration eliminates double marginalization...

The European Commission recently considered abolishing the notification system and focusing on a regime of ex post investigations. Our objective is to show that a better understanding of markets can justify this reform. When the precision of the competition authority's analysis is not high...