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| Strukturális töréspontú Vektorautoregressziós modell× | Vektorautoregresszió (VAR)× | |
|---|---|---|
| Tudományterület | Ökonometria | Ökonometria |
| Módszercsalád | Regression model | Regression model |
| Keletkezés éve≠ | 1980–1998 | 1980 |
| Megalkotó≠ | Bai & Perron (structural breaks); Sims (VAR framework) | Christopher A. Sims |
| Típus≠ | Multivariate time series model with regime change | Multivariate time-series model |
| Alapmű≠ | Bai, J., & Perron, P. (1998). Estimating and testing linear models with multiple structural changes. Econometrica, 66(1), 47–78. DOI ↗ | Sims, C. A. (1980). Macroeconomics and Reality. Econometrica, 48(1), 1–48. DOI ↗ |
| Alternatív nevek | VAR with structural breaks, break-point VAR, regime-switching VAR, SB-VAR | VAR, VAR model, vector autoregressive model, multivariate autoregression |
| Kapcsolódó≠ | 6 | 5 |
| Összefoglaló≠ | The Structural Break VAR model extends the standard Vector Autoregression (VAR) framework by allowing coefficient matrices and error covariance to shift at one or more unknown break dates. It is designed for multivariate time series where economic relationships change abruptly due to policy shifts, financial crises, or major structural events. | Vector Autoregression is a multivariate time-series model in which each variable is regressed on its own lags and the lags of all other variables in the system. Originally proposed by Sims (1980) as a data-driven alternative to large structural macroeconomic models, VAR has become the standard workhorse for dynamic analysis in empirical economics and finance. |
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