Chang, Tsangyao; Chang, Hsu-Ling; Chu, Hsiao-Ping; Su, … - In: Applied Economics 38 (2006) 20, pp. 2453-2459
With a view to investigating whether the purchasing power parity (PPP) theory holds true for selected African countries during the January 1980-December 2003 period, we employ a rigorous, highly dynamic non-linear (logistic) unit root test, as first advanced by Leybourne et al. (1998), which is...