Detection of structural change is a critical empirical activity, but continuous ‘monitoring' of time series for structural changes in real time raises well-known econometric issues. These have been explored in a univariate context. If multiple series co-break, as may be plausible, then it is...

Over the last two centuries, the cross-spectral coherence between either narrow or broad money growth and inflation at the frequency ù=0 has exhibited little variationbeing, most of the time, close to onein the U.S., the U.K., and several other countries, thus implying that the fraction of...