Aksoy, Yunus; Leon-Ledesma, Miguel A. - Birkbeck, Department of Economics, Mathematics & Statistics - 2007
We carry out a meta-analysis on the frequency of unit-roots in macroeconomic time series with a dataset covering 249 variables for the G7 countries. We use linear tests and the three popular non-linear tests (TAR, ESTAR and Markov Switching). In general, the evidence in favour of the random walk...
