The logic of the linkage principle of Milgrom and Weber (1982) extends to price discrimination. A non-linear pricing monopolist who sells to a single buyer always prefers to commit to publicly reveal information affiliated to the valuation of the buyer.

We model markets with adverse selection as matching markets. In a given match the informed or the uniformed party is chosen to make a take-it-or-leave-it proposal. This allows to account for the simultaneous presence of signaling and screening. Moreover, the possibility to dissolve matches...