Rashid, Farhat; Ullah, Sami; Bedi-uz-Zaman - In: Pakistan journal of commerce and social sciences 6 (2012) 1, pp. 97-120
additional variables. The Augmented Dickey Fuller (ADF) and Johansson Cointegration tests are used to test stationarity for all … variables and cointegration respectively. The results of these tests demonstrate that all variables are non-stationary at levels …