Die Staatsschuldenkrise einiger Länder in der EWU ist letztlich doch eine Währungskrise. Nur im gemeinsamen Währungsraum war es überhaupt möglich, die Schuldaufnahme stark auszuweiten. Andererseits treten bei Zweifeln an der finanziellen Solidität von Schuldnerstaaten kumulative...

Low inflation on goods markets provides no reliable precondition for asset-market stability; it might even promote the emergence of bubbles because interest rates and risk premia appear to be low. A further factor driving asset demand is easy availability of credit, which in turn roots in the...

Without a Lender of Last Resort for government debt, multiple equilibria in bond markets may ensue where default emerges for non-fundamental reasons. The stabilising power of central bank interventions does not build on a real debt depreciation via inflation, but on a swap of bonds and central...

The current debate whether zero interest rates are caused by a saving glut or a liquidity glut is resolved by the distinction between the market and the natural rate, where saving affects only the latter variable, and monetary policy mainly the first. This topic is linked to a second one: the...

The growth and deepening of financial markets entailed the expectation that the bank lending channel of monetary policy transmission would lose its importance. The paper explains why, on the contrary, the banking sector has become a major locus of origination and amplification of macro-financial...