Publication
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On Phillips-Perron type tests for seasonal unit roots Article
Econometric Theory, 200-221.January 1998
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Testing for unit roots and non-linear transformations Article
Journal of Time Series Analysis, 147-164.January 1998 -
A model selection strategy for time series with increasing seasonal variation Article
International Journal of Forecasting, 405-414.January 1998 -
On the sensitivity of unit root inference to nonlinear data transformations Article
Economics Letters, 7-15.January 1998 -
Outlier detection in cointegration analysis Article
Journal of Business and Economic Statistics, 459-468.January 1998 -
The impact of seasonal constants on forecasting seasonally cointegrated time series Article
Journal of Forecasting, 109-124.January 1998 -
Cointegration analysis of seasonal time series Article
Journal of Economic Surveys, 651-678.January 1998 -
Increasing seasonal variation; unit roots versus shifts in mean and trend Article
Applied Stochastic Models and Data Analysis, 255-261.January 1998