Quantile combination: An application to US GDP growth forecasts
- Author:
- Knut Are Aastveit, Saskia ter Ellen and Giulia Mantoan
- Series:
- Working Paper
- Number:
- 14/2024
Abstract
We propose an easy-to-implement framework for combining quantile forecasts, applied to forecasting GDP growth. Using quantile regressions, our combination scheme assigns weights to individual forecasts from different indicators based on quantile scores. Previous studies suggest distributional variation in forecasting performance of leading indicators: some indicators predict the mean well, while others excel at predicting the tails. Our approach leverages this by assigning different combination weights to various quantiles of the predictive distribution. In an empirical application to forecast US GDP growth using common predictors, forecasts from our quantile combination outperform those from commonly used combination approaches, especially for the tails.
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ISSN 1502-8143 (online)