We use an overlapping generations model to show that a bail-out is the optimal response to a fiscal crisis when the level of integration in a Monetary Union is high and the departure from Ricardian equivalence is significant. As it may not be optimal expost, the no bail-out rule is not credible...

In both Europe and the United States, interest rates have been declining for more than fifteen years. For much of this period, real interest rates have been negative and they are expected to remain negative for at least another decade. The literature associates this decline in interest rates...