-section of individual bank portfolio decisions. For this purpose, an augmented version of the DSGE model of Gertler and Karadi … (2013), featuring a segmented banking sector, is estimated for the euro area and combined with a bank portfolio optimisation … approach using granular bank level data. An important feature of our modelling approach is that it captures the heterogeneity …

, especially for U.S. policies, and bank-specific heterogeneity influences the magnitudes of transmission. The effects are … supportive of the international bank lending channel and the portfolio channel of monetary policy transmission. They also show … source of heterogeneity. The forms of bank balance sheet heterogeneity that differentiate spillovers across banks are not …