Forecasting Using Bayesian and Information Theoretic Model Averaging: An Application to UK Inflation
45 Pages Posted: 19 Oct 2005
Date Written: July 2005
Abstract
In recent years, there has been increasing interest in forecasting methods that utilise large data sets, driven partly by the recognition that policymaking institutions need to process large quantities of information. Factor analysis is a popular way of doing this. Forecast combination is another, and it is on this that we concentrate. Bayesian model averaging methods have been widely employed in this area, but a neglected alternative approach employed in this paper uses information theoretic based weights. We consider the use of model averaging in forecasting UK inflation with a large data set from this perspective. We find that an information theoretic model averaging scheme can be a powerful alternative both to the more widely used Bayesian model averaging scheme and to factor models.
Keywords: Forecasting, inflation, Bayesian model averaging, Akaike criteria, forecast combining
JEL Classification: C11, C15, C53
Suggested Citation: Suggested Citation
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