Ghostbusting: Which Output Gap Measure Really Matters?

Andreas Billmeier ()

No 2004/146, IMF Working Papers from International Monetary Fund

Abstract: This paper investigates various output gap measures in a simple inflation forecasting framework. Reflecting the cyclical position of an economy, an (unobservable) output gap has important implications for economic analysis. I construct and compare common output gap measures for five European countries. Since output above potential reflects domestic inflationary pressures, including a gap could improve the accuracy of autoregressive inflation forecasting. This assertion is tested in a simple simulated out-of-sample forecasting exercise for the period 1990-2002. The main conclusions are that an output gap rarely provides useful information and that there is no single best output gap measure across countries.

Keywords: WP; output gap measure; business cycle; inflation forecast; output gap estimate (search for similar items in EconPapers)
Pages: 35
Date: 2004-08-01
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Citations: View citations in EconPapers (44)

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