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| 강건 엥글-그레인저 공적분 검정× | Engle-Granger 공적분 검정× | |
|---|---|---|
| 분야 | 계량경제학 | 계량경제학 |
| 계열 | Regression model | Regression model |
| 기원 연도≠ | 1987 (base); robust variants 2000s–2020s | 1987 |
| 창시자≠ | Engle & Granger (1987); robust extensions by subsequent authors including Hao & Shaffer and others | Robert F. Engle and Clive W. J. Granger |
| 유형 | Cointegration test | Cointegration test |
| 원전 | Engle, R. F., & Granger, C. W. J. (1987). Co-integration and error correction: Representation, estimation, and testing. Econometrica, 55(2), 251–276. DOI ↗ | Engle, R. F., & Granger, C. W. J. (1987). Co-integration and error correction: Representation, estimation, and testing. Econometrica, 55(2), 251–276. DOI ↗ |
| 별칭 | robust EG cointegration, outlier-robust cointegration test, robust two-step cointegration, robust EG test | EG cointegration test, Engle-Granger two-step method, residual-based cointegration test, EG test |
| 관련 | 5 | 5 |
| 요약≠ | The Robust Engle-Granger cointegration test adapts the classic two-step Engle-Granger procedure to withstand outliers, heavy-tailed error distributions, and additive noise that can severely distort standard residual-based cointegration inference. By substituting robust regression and robust unit-root testing for classical OLS and ADF steps, it yields reliable conclusions about long-run equilibrium relationships even when the data contain anomalous observations. | The Engle-Granger two-step method tests whether two or more non-stationary I(1) time series share a common stochastic trend — that is, whether a linear combination of them is stationary. If cointegration is confirmed, an error-correction model (ECM) can be estimated to capture both short-run dynamics and long-run equilibrium adjustment. |
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