As a result of the Balassa effect relative prices change rapidly between and within the euro countries. Thus it is impossible to find a common monetary policy that will result in price stability in all countries. Based on empirical estimates of the Balassa model, the paper calculates a minimum...

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...