This paper demonstrates that failures in monetary policy arise not just from dynamic inconsistency, but more importantly, from imperfect understanding of the economy and the effects of policy. Using recent and historic episodes from the United States and abroad, we show that limited knowledge on...

This paper demonstrates that failures in monetary policy arise not just from dynamic inconsistency, but more importantly, from imperfect understanding of the economy and the effects of policy. Using recent and historic episodes from the United States and abroad, we show that limited knowledge on...

In OECD countries over the period 1980–2017, countries with lower debt-to-GDP ratios responded to financial distress with much more expansionary fiscal policy and suffered much less severe aftermaths. Two lines of evidence together suggest that the relationship between the debt ratio and the...