BAYESIAN DYNAMIC VARIABLE SELECTION IN HIGH DIMENSIONS

Gary Koop and Dimitris Korobilis

International Economic Review, 2023, vol. 64, issue 3, 1047-1074

Abstract: This article addresses the issue of inference in time‐varying parameter regression models in the presence of many predictors and develops a novel dynamic variable selection strategy. The proposed variational Bayes dynamic variable selection algorithm allows for assessing at each time period in the sample which predictors are relevant (or not) for forecasting the dependent variable. The algorithm is used to forecast inflation using over 400 macroeconomic, financial, and global predictors, many of which are potentially irrelevant or short‐lived. The new methodology is able to ensure parsimonious solutions to this high‐dimensional estimation problem, which translate into excellent forecast performance.

Date: 2023
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https://doi.org/10.1111/iere.12623

Related works:
Working Paper: Bayesian dynamic variable selection in high dimensions (2020)
Working Paper: Bayesian dynamic variable selection in high dimensions (2020)
Working Paper: Bayesian dynamic variable selection in high dimensions (2020)
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