手法を比較
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| ロバストベクトル自己回帰（Robust VAR）モデル× | ベクトル誤差修正モデル（VECM）× | |
|---|---|---|
| 分野 | 計量経済学 | 計量経済学 |
| 系統 | Regression model | Regression model |
| 提唱年≠ | 1980s–2000s | 1987 |
| 提唱者≠ | Extensions by Lutkepohl and others building on Sims (1980) VAR framework | Engle & Granger |
| 種類≠ | Multivariate time-series model with robust estimation | Multivariate time-series model |
| 原典≠ | Goncalves, S., & Kilian, L. (2004). Bootstrapping autoregressions with conditional heteroskedasticity of unknown form. Journal of Econometrics, 123(1), 89-120. DOI ↗ | Engle, R. F. & Granger, C. W. J. (1987). Co-Integration and Error Correction: Representation, Estimation, and Testing. Econometrica, 55(2), 251-276. DOI ↗ |
| 別名 | robust VAR, outlier-robust VAR, heavy-tailed VAR, RVAR | vector error correction model, error correction model, cointegration model, VECM (Vektör Hata Düzeltme Modeli) |
| 関連≠ | 5 | 4 |
| 概要≠ | The Robust VAR model extends the classical Vector Autoregression framework by replacing ordinary least squares estimation with robust estimators — such as M-estimators or median-based methods — to reduce the influence of outliers, structural breaks, and heavy-tailed shocks common in financial and macroeconomic time series. | The Vector Error Correction Model is a multivariate time-series model for cointegrated series that captures both their short-run dynamics and their long-run equilibrium relationship. It was introduced by Engle and Granger in 1987 as part of the cointegration and error-correction framework. |
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