In the long aftermath of the acute global financial crisis of 2008/09, the need to get economies back on track and to handle high levels of public and private debt has created conflicting objectives. Challenges yet to be mastered are the need to avoid counterproductive measures of adjustment and...

With integrated trade and financial markets, a collapse in aggregate demand in a large country can cause "natural real interest rates" to fall below zero in all countries, giving rise to a global "liquidity trap." This paper explores the optimal policy response to this type of shock, when...

The macroeconomic theories and models favoured by academics, as well as those used more commonly by policymakers, effectively rule out by assumption economic and financial crises of the sort we are living through. In particular, the longer run dangers posed by the rapid expansion of credit and...