In this paper we address the issue of how transmission uncertainty could affect the choice between a federal monetary policy based on national data and one on aggregated data. We find that the uncertainty about the transmission process increases the need to take into account information about...

What political objective should a common central bank in a heterogeneous monetary union pursue? Should it base its decisions on the EU-wide average of inflation and growth or should it instead focus on (appropriately weighted) national rates of inflation and growth? We find that a central bank...

This paper shows that countries with weak banking system and fiscal institutions, should benefit from the presence of foreign banks, which can constitute a commitment and transparency device. Foreign banks can also reduce the probability of self-fulfilling speculative attacks. A strong presence...