In the crises of the past fifteen years, central bankers have become big public players in a drama that affects all our lives, involving financial market crashes, public health threats and devastating economic downturns. Having played a lead role in the global financial crisis and the...

I outline the missing link in macroeconomic analysis of fiscal policy. While the Office for Budget Responsibility’s (OBR) remit does allow it to judge whether the effects of fiscal (or other economic policies) on potential output are material, such judgements will matter little for the horizon...