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Unit root testing with stationary covariates in the framework of asymmetric STAR nonlinearity
Tsong, Ching-chuan, (2012)
Are real exchange rates mean reverting in developing economies in Asia? : a covariate stationarity approach
Tsong, Ching-chuan, (2010)
Testing for a unit root with covariates against nonlinear alternatives
Tsong, Ching-chuan, (2011)