The European quantitative easing programme, the Public Sector Purchase Programme (PSPP), started on 9 March 2015 and will last at least until September 2016. Purchases will be composed of sovereign bonds and securities from European institutions and national agencies. The European Central Bank...

Euro-area inflation has been below 1 percent since October 2013, and medium-term inflation expectations are well below 2 percent. Forecasts of the return to target inflation have proved wrong. The European Central Bank should act forcefully, but should undermine neither the major relative price...