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Forecast combination for euro area inflation: a cure in times of crisis?

Kirstin Hubrich () and Frauke Skudelny ()

No 1972, Working Paper Series from European Central Bank

Abstract: The period of extraordinary volatility in euro area headline inflation starting in 2007 raised the question whether forecast combination methods can be used to hedge against bad forecast performance of single models during such periods and provide more robust forecasts. We investigate this issue for forecasts from a range of short-term forecasting models. Our analysis shows that there is considerable variation of the relative performance of the different models over time. To take that into account we suggest employing performance-based forecast combination methods, in particular one with more weight on the recent forecast performance. We compare such an approach with equal forecast combination that has been found to outperform more sophisticated forecast combination methods in the past, and investigate whether it can improve forecast accuracy over the single best model. The time-varying weights assign weights to the economic interpretations of the forecast stemming from different models. We also include a number of benchmark models in our analysis. The combination methods are evaluated for HICP headline inflation and HICP excluding food and energy. We investigate how forecast accuracy of the combination methods differs between pre-crisis times, the period after the global financial crisis and the full evaluation period including the global financial crisis with its extraordinary volatility in inflation. Overall, we find that forecast combination helps hedge against bad forecast performance and that performance-based weighting outperforms simple averaging. JEL Classification: C32, C52, C53, E31, E37

Keywords: euro area inflation; forecast combinations; forecast evaluation; forecasting (search for similar items in EconPapers)
Date: 2016-10
New Economics Papers: this item is included in nep-eec, nep-for and nep-mon
Note: 1325881
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Related works:
Journal Article: Forecast Combination for Euro Area Inflation: A Cure in Times of Crisis? (2017) Downloads
Working Paper: Forecast Combination for Euro Area Inflation - A Cure in Times of Crisis? (2016) Downloads
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