test has better power properties under fixed alternatives than other available tests for fractional roots, as well as …

power on data that includes breaks of opposite sign. We extend this test in two directions. First, we propose a new … mean or trend reversion. The simulation results show good power and satisfactory size of the new procedures. Using long … purchasing power parity from the application of unit root and structural change tests. We argue that the Bai and Perron test is …

on an example involving long-term sovereign credit ratings illustrates the power of the HWM test. …

We show that the power of the KPSS-test against inte-gration, as measured by divergence rates of the test statistic …

This paper presents results concerning the size and power of first generation panel unit root and stationarity tests …-section dimension. Second, we analyze the impact of positive MA roots on the test performance. Third, we investigate the power of the …

be eliminated. The size and power of this new test are examined. We find the size of this test to be accurate for several … time series models including the AR, GARCH and diffusion models. The power of this test is high in comparison to the …

exist, but have very poor power. Hence, existing tests in the literature, which are asymptotically non-similar on the …

exist, but have poor power. Hence, existing tests in the literature, which are asymptotically non-similar on the boundary …

Asymptotic local power analysis has become an important and increasingly used technique in econometrics. This paper … reviews the history of local power analysis and delineates the contribution of J. Neyman, E.J.G. Pitman, and G. Noether …