Moon, Hyungsik Roger; Perron, Benoit; Phillips, Peter C.B. - Institute of Economic Policy Research (IEPR), … - 2005
The asymptotic local power of various panel unit root tests are investigated. The (Gaussian) power envelope is obtained under homogeneous and heterogeneous alternatives. The envelope is compared with the asymptotic power functions for the pooled t- test, the Ploberger-Phillips (2002) test, and a...