Morimune, Kimio; Nakagawa, Mitsuru - In: Mathematics and Computers in Simulation (MATCOM) 48 (1999) 4, pp. 417-427
Dickey and Fuller proposed some tests for the unit root hypothesis in uni-variate time series. [P. Perron, The great crash, the oil price shock, and the unit root hypothesis, Econometrica 57 (1989) 1361–1401] extended the t-ratio type unit root tests so that they allow for a break in the...