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| Функция на импулсния отговор (IRF)× | Разлагане на дисперсията на прогнозната грешка (FEVD)× | |
|---|---|---|
| Област | Иконометрия | Иконометрия |
| Семейство | Regression model | Regression model |
| Година на възникване | 2005 | 2005 |
| Създател | Helmut Lütkepohl | Helmut Lütkepohl |
| Тип≠ | Post-estimation diagnostic | Multivariate time series analysis tool |
| Основополагащ източник | 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. ISBN: 978-3-540-40172-8 |
| Други названия | IRF, Dynamic Multiplier, Shock Response Function, Etki Tepki Fonksiyonu | Variance Decomposition, Error Variance Decomposition, VD Analysis, Varyans Ayrıştırması |
| Свързани | 3 | 3 |
| Резюме≠ | The Impulse Response Function (IRF) traces the dynamic response of each variable in a Vector Autoregression (VAR) system to a one-unit shock in one of its error terms over a user-specified forecast horizon. It is the primary tool for structural analysis following VAR estimation and is widely used in macroeconomics, monetary economics, and finance to quantify how shocks propagate through interconnected time series systems. | 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. |
| ScholarGateНабор от данни ↗ |
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