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On periodic structures and testing for seasonal unit roots
Ghysels, Eric, (1995)
Recursive and rolling regression-based tests of the seasonal unit root hypothesis
Smith, Richard J., (1998)
Seasonal unit roots and forecasts of two-digit-European industrial production
Osborn, Denise R., (1999)
Regression-based seasonal unit root tests with recursive mean adjustment
Taylor, Robert, (1999)
Tests of the seasonal unit root hypothesis against heteroscedastic seasonal integration
An optimal test against a Random walk component in a non-orthogonal unobserved components model
Bailey, Ralph W., (2000)