Hasan, M. N.; Koenker, R. W. - In: Econometrica 65 (1997) 1, pp. 133-162
The authors consider a family of rank tests based on the regression rank score process introduced by C. Gutenbrunner and J. Jureckova (1992) to test the unit root hypothesis in economic time series. In contrast to tests based on least-squares methods, the rank tests are asymptotically Gaussian...