Zerihun, Mulatu F.; Breitenbach, Marthinus C.; Kemegue, … - Economic Research Southern Africa (ERSA) - 2014
The theory of purchasing power parity implies that real exchange rate series should be stationary. However, conventional unit root tests on the Southern African Development community (SADC) real exchange rates confirm the existence of a unit root. Such deficiencies in the investigation of the...