Fundamental inflation uncertainty

Charlotta Groth (), Jarkko Jääskelä and Paolo Surico

Bank of England working papers from Bank of England

Abstract: We develop a method of quantifying the uncertainty surrounding the estimates of the fundamental inflation implied by the New Keynesian Phillips Curve (NKPC). The uncertainty is represented as a band around the fundamental inflation, and encompasses the sampling uncertainty of both the estimates of the structural parameters and the estimates of the VAR used to form a projection of real marginal costs. An empirical application on UK and US data confirms that fundamental inflation tracks actual inflation reasonably well in both countries. For the United Kingdom the confidence band is sufficiently narrow, relative to the sample variance of inflation, to identify a number of periods where the predictions of the NKPC do not fully capture movements in actual inflation. In contrast, considerable uncertainty surrounds the estimates of fundamental inflation for the United States.

Date: 2006-10
New Economics Papers: this item is included in nep-cba, nep-mac and nep-mon
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Persistent link: https://EconPapers.repec.org/RePEc:boe:boeewp:309

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