Loukopoulos, Georgios - 2014
The purpose of this study is to investigate the validity of the absolute version of the purchasing power parity (PPP … of PPP we apply the Augmented Dickey-Fuller, DF-GLS and KPSS tests for non-stationarity, and the Johansen procedure for … 77,39 months. Overall, unit root tests show that absolute PPP may hold, but this depends on the country and the selected …