References
References
- Evans , GBA and Savin , NE . 1981 . Testing for unit roots: 1 . Econometrica , 49 : 753 – 79 .
- Fuller WA 1976 Introduction to Statistical Time Series, Wiley and Sons New York
- Hamori , S and Tokihisa , A . 1997 . Testing for a unit root in the presence of a variance shift . Economics Letters , 57 : 245 – 53 .
- Imhof , JP . 1961 . Computing the distribution of quadratic forms in normal variables . Biometrika , 48 : 419 – 26 .
- Koerts J Abrahamse APJ 1970 On the Theory and Application of the General Linear Model, Rotterdam University Press Rotterdam
- Ohtani , K . 2000 . Exact and bootstrap distributions of a unit root test . Applied Economics Letters , 7 : 463 – 6 .
- Ohtani , K . 2002 . Exact critical values of unit root tests with drift and trend . Applied Economics Letters , 9 : 137 – 45 .
- Perron , P . 1989 . The great crash, the oil price shock and the unit root hypothesis . Econometrica , 57 : 351 – 6 .
- Perron , P . 1990 . Testing for a unit root in a time series with a changing mean . Journal of Business and Economic Statistics , 8 : 153 – 62 .
- Perron , P and Vogelsang , TJ . 1992 . Testing for a unit root in a time series with a changing mean: corrections and extensions . Journal of Business and Economic Statistics , 10 : 467 – 70 .