State Correlation and Forecasting: A Bayesian Approach Using Unobserved Components Models

Luis Uzeda

A chapter in Essays in Honour of Fabio Canova, 2022, vol. 44A, pp 25-53 from Emerald Group Publishing Limited

Abstract: This chapter investigates the impact of different state correlation assumptions for out-of-sample performance of unobserved components (UC) models with stochastic volatility. Using several measures of US inflation the author finds that allowing for correlation between inflation’s trend and cyclical (or gap) components is a useful feature to predict inflation in the short run. In contrast, orthogonality between such components improves the out-of-sample performance as the forecasting horizon widens. Accordingly, trend inflation from orthogonal trend-gap UC models closely tracks survey-based measures of long-run inflation expectations. Trend dynamics in the correlated-component case behave similarly to survey-based nowcasts. To carry out estimation, an efficient algorithm which builds upon properties of Toeplitz matrices and recent advances in precision-based samplers is provided.

Keywords: Bayesian; states; correlation; forecasting; trend inflation; C11; C15; C51; C53 (search for similar items in EconPapers)
Date: 2022
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Related works:
Working Paper: State Correlation and Forecasting: A Bayesian Approach Using Unobserved Components Models (2018)
Working Paper: State Correlation and Forecasting: A Bayesian Approach Using Unobserved Components Models (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:eme:aecozz:s0731-90532022000044a003

DOI: 10.1108/S0731-90532022000044A003

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