Kyei-Mensah, Justice - In: Cogent economics & finance 11 (2023) 1, pp. 1-26
The study examines whether the long-run validity of PPP holds in some major advanced and developing economies. The study employed the smooth time-varying cointegration (TVC) and time-varying detrended fluctuation analysis (DFA) methodology, and we are not aware of any study that has applied TVC...