“…In this context, language is viewed as a skill and a productivity tool, so that learning one or more languages is seen as an investment in human capital that can bring economic benefits. For example, studies of international trade show, cross-linguistic communication imposes higher costs than communications in a common language so that trade between countries with different languages is much less than trade between countries with a common language (Aggarwal et al, 2012;Egger and Lassmann, 2012). As a study of the effectiveness of Japanese financial reports translated into English shows linguistic differences also make cross-border communications less efficient and less effective (Aggarwal et al, 1991).…”