Krahasoni metodat
Shqyrtoni metodat e zgjedhura krah për krah; rreshtat që ndryshojnë janë të theksuar.
| Testet për Rrënjë Njësi ADF Jolineare (Testi KSS)× | Modeli Jo-linear i Korrigjimit të Gabimit Vektor (Nonlinear VECM)× | |
|---|---|---|
| Fusha | Ekonometri | Ekonometri |
| Familja | Regression model | Regression model |
| Viti i origjinës≠ | 2003 | 1989–1998 |
| Krijuesi≠ | Kapetanios, Shin, and Snell | Granger & Lee (1989); Enders & Granger (1998) |
| Lloji≠ | Nonlinear unit root test | Nonlinear time-series model |
| Burimi themelues≠ | 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 ↗ | Enders, W., & Granger, C. W. J. (1998). Unit-root tests and asymmetric adjustment with an example using the term structure of interest rates. Journal of Business & Economic Statistics, 16(3), 304–311. DOI ↗ |
| Emërtime të tjera | KSS test, nonlinear unit root test, ESTAR unit root test, Kapetanios-Shin-Snell test | nonlinear VECM, NVECM, threshold VECM, asymmetric VECM |
| Të lidhura≠ | 6 | 2 |
| Përmbledhja≠ | 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 Nonlinear VECM extends the standard linear VECM by allowing the speed of adjustment toward long-run equilibrium to differ depending on the sign, magnitude, or regime of deviations from that equilibrium. It captures asymmetric or threshold-driven dynamics in cointegrated time-series systems that a standard VECM would miss. |
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