Holmes, Mark J. - In: Prague Economic Papers 2004 (2004) 4, pp. 347-358
this purpose, a new test is employed that allows one to test for unit roots in heterogeneous panel datasets. While the … benefits from creating a panel to overcome low test power are well known, this test also offers key advantages over existing … alternative panel data unit root tests: it is able to identify which members within the panel are responsible for rejecting the …