Hashiguchi, Yoshihiro; Hamori, Shigeyuki - In: Applied Economics Letters 19 (2012) 2, pp. 161-165
This article investigates the sustainability of trade balances in the sub-Saharan African regions, using both the panel unit root (Im--Pesaran--Shin (IPS)) test proposed by Im <italic>et al.</italic> (2003) and the cross-sectionally augmented version of the IPS (Pesaran Cross-sectional IPS (CIPS)) test suggested...