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...

If monetary policy is to aim at financial stability, how would it change? To analyze this question, this paper develops a general-form, axiomatic framework. Financial stability objectives are shown to make a monetary authority more conservative and more aggressive. Conservative as it sets higher...

If monetary policy is to aim also at financial stability, how would it change? To analyze this question, this paper develops a general-form, axiomatic framework. Financial stability objectives are shown to make a monetary authority more aggressive. By that we mean that in reaction to negative...

This paper shows that a rate hike has countervailing effects on banks' risk appetite. It reduces risk when the debt burden of the banking sector is modest. We model a regulator whose trade-off between bank risk and credit supply is derived from a welfare function. We show that the regulator...