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| Forecast Error Variance Decomposition (FEVD)× | Strukturel Vektor Autoregression (SVAR)× | |
|---|---|---|
| Fagområde | Økonometri | Økonometri |
| Familie | Regression model | Regression model |
| Oprindelsesår≠ | 2005 | 1980 |
| Ophavsperson≠ | Helmut Lütkepohl | Christopher Sims |
| Type≠ | Multivariate time series analysis tool | Structural multivariate time-series model |
| Oprindelig kilde≠ | Lütkepohl, H. (2005). New Introduction to Multiple Time Series Analysis. Springer. ISBN: 978-3-540-40172-8 | Sims, C. A. (1980). Macroeconomics and reality. Econometrica, 48(1), 1–48. DOI ↗ |
| Aliasser | Variance Decomposition, Error Variance Decomposition, VD Analysis, Varyans Ayrıştırması | Structural VAR, Identified VAR, SVAR Model, Yapısal Vektör Otoregresyon |
| Relaterede≠ | 3 | 2 |
| Resumé≠ | 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. | Structural Vector Autoregression (SVAR) is a multivariate time-series model, developed by Christopher Sims (1980), that extends the reduced-form VAR by imposing economically motivated identifying restrictions on contemporaneous relationships among variables. SVAR enables researchers to isolate orthogonal structural shocks and trace their causal dynamic effects through impulse response functions and forecast error variance decompositions, making it a cornerstone of modern empirical macroeconomics. |
| ScholarGateDatasæt ↗ |
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