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Erscheinungsjahr: 
2024
Schriftenreihe/Nr.: 
Working Paper No. 8/2024
Verlag: 
Norges Bank, Oslo
Zusammenfassung: 
This paper presents a framework for empirical analysis of dynamic macroeconomic models using Bayesian Öltering, with a speciÖc focus on the state-space formulation of Dynamic Stochastic General Equilibrium (DSGE) models with multiple regimes. We outline the theoretical foundations of model estimation, provide the details of two families of powerful multiple-regime Ölters, IMM and GPB, and construct corresponding multiple-regime smoothers. A simulation exercise, based on a prototypical New Keynesian DSGE model, is used to demonstrate the computational robustness of the proposed Ölters and smoothers and evaluate their accuracy and speed for a selection of Ölters from each family. We show that the canonical IMM Ölter is faster and is no less, and often more, accurate than its competitors within IMM and GPB families, the latter including the commonly used Kim and Nelson (1999) Ölter. Using it with the matching smoother improves the precision in recovering unobserved variables by about 25%. Furthermore, applying it to the U.S. 1947-2023 macroeconomic time series, we successfully identify signiÖcant past policy shifts including those related to the post-Covid-19 period. Our results demonstrate the practical applicability and potential of the proposed routines in macroeconomic analysis.
Schlagwörter: 
Markov switching models
Markov Switching models
Filtering
Smoothing
JEL: 
C11
C32
C54
E52
Persistent Identifier der Erstveröffentlichung: 
ISBN: 
978-82-8379-317-8
Creative-Commons-Lizenz: 
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Dokumentart: 
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