Measuring coherence of output gaps with an application to the euro area

Mark Mink, Jan Jacobs and Jakob de Haan

Oxford Economic Papers, 2012, vol. 64, issue 2, 217-236

Abstract: If output gaps in a currency union are not sufficiently coherent, the common monetary policy will not be optimal for all countries or regions in the union. It is common practice to measure coherence of output gaps by a correlation coefficient. We propose new measures of output gap coherence, which take differences in the signs and-or amplitudes of the output gaps more adequately into account than the correlation coefficient. We apply these measures to the euro area, using the US as a benchmark. We also examine how sensitive our findings are to different ways of calculating the output gaps. Copyright 2012 Oxford University Press 2011 All rights reserved, Oxford University Press.

Date: 2012
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Working Paper: MEASURING SYNCHRONICITY AND CO-MOVEMENT OF BUSINESS CYCLES WITH AN APPLICATION TO THE EURO AREA (2007)
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