We first sketch how central banks have used unconventional monetary policy measures by using three indicators based on the composition of the balance sheet of eleven central banks. Our analysis suggests that although the ECB's balance sheet has increased dramatically during the crisis, the...

We ask whether recent changes in monetary policy due to the financial crisis will be temporary or permanent. We present evidence from two surveys — one of central bank governors, the other of academic specialists. We find that central banks in crisis countries are more likely to have resorted...