“…These methodologies have mainly aimed at determining whether (a) a spot exchange rate behaves as a random walk (Liu & He, 1991;Bleaney, 1998), (b) the forward exchange rate is an unbiased predictor of future spot exchange rate (Norrbin & Refferett, 1996;Wesso, 1999;Barnhart, McNown, & Wallace, 1999;Zacharatos & Sutcliff, 2002) or (c) whether there is a cointegrating relationship among a set of spot exchange rates (Masih & Masih, 1996;Sanchez-Fung, 1999;Speight & McMillan, 2001). This paper adopts Engle and Granger (EG) (1987) and Johansen (1991Johansen ( , 1995 cointegration tests.…”