Faust, Jon - In: Econometric Theory 12 (1996) 04, pp. 724-731
Said and Dickey (1984, <italic>Biometrika</italic> 71, 599–608) and Phillips and Perron (1988, <italic>Biometrika</italic> 75, 335–346) have derived unit root tests that have asymptotic distributions free of nuisance parameters under very general maintained models. Under models as general as those assumed by these authors,...