This paper examines sets of Nash equilibrium in sender-receiver games that are stable against replacement by alternative Nash equilibria. Such stable sets exist. In partial common interest games they contain only informative equilibria.

This paper studies whether it is possible to characterize an optimal, time-consistent tariff to protect an infant-industry in the presence of learning effects. A domestic monopolist decides how much to produce, taking into account learning effects induced by its current production, while the...