Forecasting Time Series Subject to Multiple Structural Breaks
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Authors
Pesaran, M. Hashem
Pettenuzzo, Davide
Timmermann, Allan
Publication Date
2004-06Series
Cambridge Working Papers in Economics
Publisher
Faculty of Economics
Language
English
Type
Working Paper
Metadata
Show full item recordCitation
Pesaran, M. H., Pettenuzzo, D., & Timmermann, A. (2004). Forecasting Time Series Subject to Multiple Structural Breaks. https://doi.org/10.17863/CAM.5112
Abstract
This paper provides a novel approach to forecasting time series subject to discrete structural breaks. We propose a Bayesian estimation and prediction procedure that allows for the possibility of new breaks over the forecast horizon, taking account of the size and duration of past breaks (if any) by means of a hierarchical hidden Markov chain model. Predictions are formed by integrating over the hyper parameters from the meta distributions that characterise the stochastic break point process. In an application to US Treasury bill rates, we find that the method leads to better out-of-sample forecasts than alternative methods that ignore breaks, particularly at long horizons.
Keywords
structural breaks, forecasting, hierarchical hidden Markov Chain model, Bayesian model averaging
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