The incentive to renege on a commitment to a fixed exchange rate is shown to be state contingent. A fixed exchange rate policy is not viable under `unusual' circumstances, and the incentive to violate the commitment is larger in the case of contractionary shocks than in the case of expansionary...

The role of social background for educational choices and outcomes is considered in an overlapping generations setting. It is shown that the impediments for education created by social factors are similar to a market imperfection, and publicly provided education may lead to a Pareto improvement....