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| パネル Zivot-Andrews 構造的ブレーク単位根検定× | Zivot-Andrews構造変化検定× | |
|---|---|---|
| 分野 | 計量経済学 | 計量経済学 |
| 系統 | Regression model | Regression model |
| 提唱年≠ | 1992 (panel extension: 2000s) | 1992 |
| 提唱者≠ | Zivot & Andrews (1992); extended to panel settings by subsequent literature | Eric Zivot and Donald W. K. Andrews |
| 種類 | Unit root test with endogenous structural break | Unit root test with endogenous structural break |
| 原典 | 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 ↗ | 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 ↗ |
| 別名 | panel ZA test, panel structural break unit root test, Zivot-Andrews panel unit root test, panel endogenous break unit root test | ZA test, Zivot-Andrews unit root test, endogenous structural break unit root test, ZA structural break test |
| 関連 | 6 | 6 |
| 概要≠ | The Panel Zivot-Andrews test extends the single-series Zivot-Andrews (1992) structural break unit root test to panel data, allowing each cross-sectional unit to have its own endogenously determined break date. It tests the null of a unit root against the alternative of stationarity with a one-time structural break, accounting for regime shifts that bias standard panel unit root tests toward false non-rejection. | The Zivot-Andrews (ZA) test is a unit root test that endogenously identifies the most likely location of a single structural break in a time series. Unlike the standard ADF test, it does not require the researcher to pre-specify when the break occurred, making it robust to data-driven regime shifts such as policy changes, financial crises, or major economic events. |
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