This paper analyses the monetary and fiscal policy implications of output gap estimates in times of crisis. The widening of output gaps observed in major OECD economies in the wake of the recent crisis has been mainly due to total factor productivity gaps, except in the United States where it...

Policy reforms aimed at boosting long-run growth often have side effects – positive or negative – on an economy’s vulnerability to shocks and their propagation. Macroeconomic shocks as severe and protracted as those since 2007 warrant a reconsideration of the role growth-promoting policies...