A nominal income target may provide credibility to a commitment to keep real interest rates exceptionally low, until a target output level is reached -–even if expected inflation rises in the interim–- in economies where nominal interest rates are effectively at the zero lower bound,...

At what level does a currency’s volatility become ‘excessive’, in a concrete sense? Any claim that an exchange rate is excessively volatile needs a benchmark for ‘normal’variability. We compute variance bounds implied by exchange rate models as the norm, for a set of...