The bursting of the Japanese bubble economy in the early 1990s put the stage for a lasting lowzero-, and negative-interest rate environment, which fundamentally changed the business environment for the Japanese commercial banks. On the income side, with interest margins becoming increasingly...

Both Japan and parts of the European Monetary Union have experienced boom and bust in stock and real estate markets, which have been followed by a lasting crisis. The paper analyses the role of a high degree of regional heterogeneity for public debt and monetary policy in the context of crisis....