Arbeitspapier
Infinite-dimensional VARs and factor models
This paper introduces a novel approach for dealing with the 'curse of dimensionality' in the case of large linear dynamic systems. Restrictions on the coefficients of an unrestricted VAR are proposed that are binding only in a limit as the number of endogenous variables tends to infinity. It is shown that under such restrictions, an infinite-dimensional VAR (or IVAR) can be arbitrarily well characterized by a large number of finite-dimensional models in the spirit of the global VAR model proposed in Pesaran et al. (JBES, 2004). The paper also considers IVAR models with dominant individual units and shows that this will lead to a dynamic factor model with the dominant unit acting as the factor. The problems of estimation and inference in a stationary IVAR with unknown number of unobserved common factors are also investigated. A cross section augmented least squares estimator is proposed and its asymptotic distribution is derived. Satisfactory small sample properties are documented by Monte Carlo experiments.
- Sprache
-
Englisch
- Erschienen in
-
Series: ECB Working Paper ; No. 998
- Klassifikation
-
Wirtschaft
Econometric and Statistical Methods and Methodology: General
Multiple or Simultaneous Equation Models: Panel Data Models; Spatio-temporal Models
Model Construction and Estimation
- Thema
-
Large N and T Panels
Factor models
Global VAR
VAR
Weak and Strong Cross Section Dependence
VAR-Modell
Faktorenanalyse
Monte-Carlo-Simulation
Investition
Wirtschaftswachstum
Theorie
Schätzung
Welt
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Chudik, Alexander
Pesaran, Hashem
- Ereignis
-
Veröffentlichung
- (wer)
-
European Central Bank (ECB)
- (wo)
-
Frankfurt a. M.
- (wann)
-
2009
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:45 MEZ
Datenpartner
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Objekttyp
- Arbeitspapier
Beteiligte
- Chudik, Alexander
- Pesaran, Hashem
- European Central Bank (ECB)
Entstanden
- 2009
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