“…These studies have demonstrated that the source of the competitive advantage results from the long-term, cooperative assembler-supplier relationship and the keiretsu system that is closely intertwined. 2 Yet, prior studies on keiretsu have provided detailed analyses such as research on the Toyota keiretsu or the network structures (Brouthers, Gao, & Napshin, 2014;Dyer, 1996;Lincoln et al, 1996;Peng, Lee, & Tan, 2001) but have not paid attention to the differences in strategic behavior among keiretsu, i.e., comparisons between Toyota suppliers and non-Toyota suppliers or between the Toyota keiretsu and the other keiretsu networks (an exception is Takeishi & Noro, 2017).…”