مقایسهٔ روشها
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| آزمون ریشه واحد ADF غیرخطی (آزمون KSS)× | آزمون ریشه واحد دیکی-فولر تعمیمیافته (ADF)× | |
|---|---|---|
| حوزه | اقتصادسنجی | اقتصادسنجی |
| خانواده | Regression model | Regression model |
| سال پیدایش≠ | 2003 | 1979–1984 |
| پدیدآور≠ | Kapetanios, Shin, and Snell | Said & Dickey (1984); building on Dickey & Fuller (1979) |
| نوع≠ | Nonlinear unit root test | Hypothesis test (unit root) |
| منبع بنیادین≠ | Kapetanios, G., Shin, Y., & Snell, A. (2003). Testing for a unit root in the nonlinear STAR framework. Journal of Econometrics, 112(2), 359-379. DOI ↗ | Said, S. E., & Dickey, D. A. (1984). Testing for unit roots in autoregressive-moving average models of unknown order. Biometrika, 71(3), 599–607. DOI ↗ |
| نامهای دیگر | KSS test, nonlinear unit root test, ESTAR unit root test, Kapetanios-Shin-Snell test | ADF test, ADF unit root test, Dickey-Fuller test (augmented), Said-Dickey test |
| مرتبط≠ | 6 | 5 |
| خلاصه≠ | The Nonlinear ADF unit root test, most prominently operationalized by Kapetanios, Shin, and Snell (2003), extends the classical Augmented Dickey-Fuller test to detect mean reversion that occurs via an Exponential Smooth Transition Autoregressive (ESTAR) process. It tests the null of a unit root against a nonlinear stationary alternative, capturing adjustment dynamics that the standard linear ADF test misses. | The Augmented Dickey-Fuller test is the standard procedure for determining whether a univariate time series contains a unit root — that is, whether the series is non-stationary. It extends the original Dickey-Fuller test by including lagged difference terms that absorb serial correlation in the residuals, making the test valid for a wide range of time-series processes encountered in economics and finance. |
| ScholarGateمجموعهداده ↗ |
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