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Real time estimation of potential output and output gap for theeuro-area: comparing production function with unobserved componentsand SVAR approaches

Matthieu Lemoine (), Gian Luigi Mazzi, Paola Monperrus-Veroni and Frédéric Reynès ()

MPRA Paper from University Library of Munich, Germany

Abstract: We develop a new version of the production function (PF) approach usually used for estimating the output gap of the euro area. Our version does not call for any (often imprecise) measure of the capital stock and improves the estimation of the trend total factor productivity. We asses this approach by comparing it with two other multivariate methods mostly used for output gap estimates, a multivariate unobserved components (MUC) model and a Structural Vector Auto-Regressive (SVAR) model. The comparison is conducted by relying on assessment criteria such as the concordance of the turning points chronology with a reference one, the inflation forecasting power and the real-time consistency of the estimates. Two contributions are achieved. Firstly, we take into account data revisions and their impact on the output gap estimates by using vintage datasets coming from the Euro Area Business Cycle (EABCN) Real-Time Data-Base (RTDB). Secondly, the PF approach, generally employed by policy-makers despite of its difficult implementation, is assessed. We thus improve on previous papers which limited their assessment on other multivariate methods, e.g. MUC or SVAR models. The different methods show different ranks in relation to the three criteria. This new PF estimate appears highly concordant with the reference chronology. Its forecasting power appears favourable only for the shortest horizon (1 month). Finally, the SVAR model appears more consistent in real-time.

Keywords: potential output; production function; state-space models; structural VARs (search for similar items in EconPapers)
JEL-codes: C32 E32 (search for similar items in EconPapers)
Date: 2008-11, Revised 2008-11
New Economics Papers: this item is included in nep-eec and nep-mac
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Related works:
Working Paper: Real time estimation of potential output and output gap for the euro-area: comparing production function with unobserved components and SVAR approaches (2008) Downloads
Working Paper: Real Time Estimation of Potential Output and Output Gap for the Euro-Area: Comparing Production Function with Unobserved Components and SVAR Approaches (2008) Downloads
Working Paper: Real Time Estimation of Potential Output and Output Gap for the Euro-Area: Comparing Production Function with Unobserved Components and SVAR Approaches (2008) Downloads
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