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| Ujian Panel KPSS (Ujian Kestabilan Hadri Panel)× | Ujian Punca Unit Zivot-Andrews dengan Satu Pecahan Struktur× | |
|---|---|---|
| Bidang | Ekonometrik | Ekonometrik |
| Keluarga≠ | Regression model | Hypothesis test |
| Tahun asal≠ | 2000 | 1992 |
| Pengasas≠ | Hadri (2000), extending Kwiatkowski, Phillips, Schmidt, and Shin (1992) | Eric Zivot & Donald Andrews |
| Jenis≠ | Panel stationarity test | Sequential unit-root test with endogenous break-point selection |
| Sumber perintis≠ | Hadri, K. (2000). Testing for stationarity in heterogeneous panel data. Econometrics Journal, 3(2), 148-161. DOI ↗ | Zivot, E., & Andrews, D. W. K. (1992). Further evidence on the great crash, the oil-price shock, and the unit-root hypothesis. Journal of Business & Economic Statistics, 10(3), 251–270. DOI ↗ |
| Alias | KPSS panel stationarity test, panel stationarity test, Hadri LM test, panel KPSS | ZA Test, Zivot-Andrews Break Test, Endogenous Break Unit-Root Test, Zivot-Andrews Birim Kök Testi |
| Berkaitan≠ | 6 | 3 |
| Ringkasan≠ | The Panel KPSS test, introduced by Hadri (2000), tests the null hypothesis that all series in a panel are stationary against the alternative that some or all contain a unit root. It extends the univariate KPSS framework to panel data by aggregating individual LM statistics, providing higher power than unit-root tests when most series are in fact stationary. | The Zivot-Andrews (ZA) test, introduced by Eric Zivot and Donald Andrews in 1992, is a sequential unit-root test that allows for a single structural break at an unknown date. It extends the augmented Dickey-Fuller framework by endogenously selecting the break point that provides the strongest evidence against the unit-root null hypothesis, making it particularly useful for macroeconomic and financial time series that may have been disrupted by events such as policy changes, financial crises, or supply shocks. |
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