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| Dekompozycja wariancji błędu prognozy (FEVD)× | Model Autoregresji Wektorowej (VAR)× | |
|---|---|---|
| Dziedzina | Ekonometria | Ekonometria |
| Rodzina | Regression model | Regression model |
| Rok powstania | 2005 | 2005 |
| Twórca≠ | Helmut Lütkepohl | Lütkepohl (textbook treatment); Sims (1980) macroeconometric tradition |
| Typ≠ | Multivariate time series analysis tool | Multivariate time-series model |
| Źródło pierwotne | Lütkepohl, H. (2005). New Introduction to Multiple Time Series Analysis. Springer. ISBN: 978-3-540-40172-8 | Lütkepohl, H. (2005). New Introduction to Multiple Time Series Analysis. Springer. DOI ↗ |
| Inne nazwy | Variance Decomposition, Error Variance Decomposition, VD Analysis, Varyans Ayrıştırması | vector autoregression, VAR, VAR Modeli (Vektör Otoregresyon), vektör otoregresyon |
| Pokrewne≠ | 3 | 4 |
| Podsumowanie≠ | Forecast Error Variance Decomposition (FEVD) is a multivariate time series technique used within Vector Autoregression (VAR) frameworks to quantify what proportion of the forecast error variance of each variable is attributable to shocks from every other variable in the system. It is widely used by econometricians, macroeconomists, and financial researchers to assess the relative importance of different structural disturbances in driving short-run and long-run fluctuations across interconnected economic series. | Vector Autoregression is a multivariate time-series model that treats several interdependent series symmetrically, letting each variable depend on its own past values and the past values of all the others. It is the standard tool for capturing mutual causality and joint dynamics, developed in the modern multiple-time-series tradition treated by Lütkepohl (2005). |
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