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| Kiểm định đồng tích hợp Johansen Fourier× | Kiểm định đồng tích hợp Fourier Engle-Granger× | |
|---|---|---|
| Lĩnh vực | Kinh tế lượng | Kinh tế lượng |
| Họ | Regression model | Regression model |
| Năm ra đời≠ | 2012 (Fourier extension); 1988 (Johansen original) | 2016 |
| Người khởi xướng≠ | Enders & Lee (Fourier extension); Johansen (original trace/max-eigenvalue test) | Enders & Jones (2016), extending Engle & Granger (1987) |
| Loại≠ | Cointegration test with smooth structural breaks | Cointegration test |
| Công trình gốc≠ | Enders, W., & Lee, J. (2012). A unit root test using a Fourier series to approximate smooth breaks. Oxford Bulletin of Economics and Statistics, 74(4), 574–599. DOI ↗ | Enders, W., & Jones, P. (2016). Grain prices, oil prices, and multiple smooth breaks in a VAR. Studies in Nonlinear Dynamics and Econometrics, 20(4), 399–419. DOI ↗ |
| Tên gọi khác | Fourier Johansen test, Fourier-Johansen trace test, smooth-break Johansen cointegration, FJ cointegration | Fourier EG cointegration, Enders-Jones cointegration test, smooth structural break cointegration, FEGC test |
| Liên quan | 5 | 5 |
| Tóm tắt≠ | The Fourier Johansen cointegration test extends the classical Johansen trace and maximum-eigenvalue tests by embedding low-frequency Fourier terms in the deterministic component of the VECM. This allows the test to remain valid when cointegrating relationships experience gradual, smooth regime shifts that standard Johansen critical values do not accommodate. | The Fourier Engle-Granger cointegration test extends the classic two-step Engle-Granger procedure by embedding low-frequency trigonometric (Fourier) terms in the cointegrating regression. This accommodates an unknown number of smooth structural breaks in the deterministic components without specifying their dates, producing a more powerful test when long-run relationships shift gradually over time. |
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