Combining Forecast Densities from VARs with Uncertain Instabilities

Anne Sofie Jore, James Mitchell () and Shaun P. Vahey

No DP2008/18, Reserve Bank of New Zealand Discussion Paper Series from Reserve Bank of New Zealand

Abstract: Recursive-weight forecast combination is often found to an ineffective method of improving point forecast accuracy in the presence of uncertain instabilities. We examine the effectiveness of this strategy for forecast densities using (many) VARs and ARs of output, prices and interest rates. Our proposed recursive-weights density combination strategy, based on the recursive logarithmic score of the forecast densities, produces accurate predictive densities by giving substantial weight to models that allow for structural breaks. In contrast, equal-weight combinations produce poor real-time US forecast densities for Great Moderation data. Classification-C32, C53, E37

Date: 2008-12

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Related works:
Working Paper: Combining Forecast Densities from VARs with Uncertain Instabilities (2008)
Working Paper: Combining forecast densities from VARs with uncertain instabilities (2008)
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