The paper considers the case for an internationally coordinated further fiscal stimulus during the second half of 2009. Although this makes some of the analysis period-specific, most of the issues and principles considered are timeless. For a fiscal stimulus to be both effective there must be...

There are few if any technical problems involved in reversing the unconventional monetary policies - quantitative easing, credit easing and enhanced credit support - implemented by central banks around the world as short-term nominal interest rates became constrained by the zero lower bound. The...