Following the tenth anniversary of Stage III of the European Monetary Union, this study assesses the effects of monetary policy shocks in the euro area in the period during which there is a common monetary policy in Europe. In order to overcome the omitted information problem of small-scale vector autoregression (VAR) models, we combine the VAR methodology with dynamic factor analysis, a recent time-series technique for the analysis of large data sets. Using the factor-augmented vector autoregressive (FAVAR) approach of Bernanke et al. (2005), we summarise the in-formation contained in a large set of macroeconomic time series with a small number of estimated factors and use them as regressors in recursive VARs to evaluate the impact of the ...