“…There is an additional phenomenon which commonly occurs in Japan, namely, the significance of university cliques, or so-called 'gakubatsu', which establish strong support and group consciousness within and between large Japanese companies (Colignon and Usui, 2003;Van Rixtel, 2002). In Japan, top-level bureaucrats have a similarity of education that produces a very exclusive environment and a special elite culture, which is very hard for other people who do not have the same background to enter (Van Rixtel and Hassink, 2002), but may be shared across senior company executives and high ranking government officials, thus enhancing the likelihood and effectiveness of company-government linkages. To measure the importance of academic background, the variable GAKUBATSU is constructed as the ratio of the number of graduates from the five most prestigious universities in Japan (so-called the 'Big five' (Note 6)) to the total number of directors on a board.…”