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Τίτλος: An alternative numerical method for estimating large-scale time-varying parameter seemingly unrelated regressions models
Συγγραφείς: Hadjiantoni, Stella 
Kontoghiorghes, Erricos John 
Major Field of Science: Natural Sciences
Field Category: Mathematics
Λέξεις-κλειδιά: Matrix algebra;Updating;Time-varying coefficients;Rolling window estimation;Recursive estimation
Ημερομηνία Έκδοσης: Ιαν-2022
Πηγή: Econometrics and Statistics, 2022, vol. 21, pp. 1-18
Volume: 21
Start page: 1
End page: 18
Περιοδικό: Econometrics and Statistics 
Περίληψη: A novel numerical method for the estimation of large-scale time-varying parameter seemingly unrelated regressions (TVP-SUR) models is proposed. The updating and smoothing estimates of the TVP-SUR model are derived within the context of generalised linear least squares and through numerically stable orthogonal transformations which allow the sequential estimation of the model. The method developed is based on computationally efficient strategies. The computational cost is reduced by exploiting the special sparse structure of the TVP-SUR model and by utilising previous computations. The proposed method is also extended to the rolling window estimation of the TVP-SUR model. Experimental results show the effectiveness of the new updating, rolling window and smoothing strategies in high dimensions when a large number of covariates and regressions are included in the TVP-SUR model, and in the presence of an ill-conditioned data matrix.
URI: https://hdl.handle.net/20.500.14279/23889
ISSN: 24523062
DOI: 10.1016/j.ecosta.2020.11.003
Rights: © Elsevier
Type: Article
Affiliation: University of Essex 
Cyprus University of Technology 
Birkbeck University of London 
Publication Type: Peer Reviewed
Εμφανίζεται στις συλλογές:Άρθρα/Articles

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