Bai, Shuming; Koong, Kai S.; Liu, Lai C.; Wang, Bin - In: International Journal of Sustainable Economy 1 (2008) 1, pp. 70-84
Currency stability is a critical component in global commerce. This study examines the informational efficiency of the black and official exchange markets in the North American Free Trade Agreement partners. Using a series of non-parametric as well as time series models, this study finds that...