“…Firstly, previous studies frequently include both countries as part of larger samples in relation to, inter alia, low, middle, high income countries; selected Asian countries; and as OECD countries (Dutt and Ghosh, 1996;Riezaman et al, 1996;Rahman and Mustafa, 1997;Islam, 1998;Kónya, 2004). Only one previous study (Awokuse, 2005a) focuses exclusively on South Korea, whilst only four previous studies focus on Japan alone (Grabowski et al, 1990;Boltho, 1996;Hatemi-J, 2002;Awokuse, 2005b).…”