Lee, Chia-Hao; Chou, Pei-I - In: International Review of Economics & Finance 27 (2013) C, pp. 125-133
Fourier function. Although most of the results from a univariate unit root test and panel unit root test indicated a fail to … reject the unit root null hypothesis in the real exchange rates of G-20, the results of the Panel SURADF test with Fourier … function show a strong rejection of non-stationarity of real exchange rates among the G-20 and imply that PPP is valid for all …