Are labels good or bad for consumers and firms? The answers may seem straightforward since labels improve information, yet economic theory reveals situations where their introduction reduces the welfare of, at least, some market participants. This essay reviews the theoretical literature on...

The paper examines the implementation of Bayesian allocation rules that satisfy non-negative ex post payoffs for one player in a two-players bilateral asymmetric information setting. It focuses on sequential mechanisms in which players communicate in turn among themselves. First, it shows that,...

Two players are involved in a joint project during which a decision must be reached. Each player has a private information about future profits. Authority gives to a player the right to decide first among a pre-defined set of alternatives. In this framework, I show that (partial) authority...