"Which is more profitable, the Yamanote Line or the Tokaido Shinkansen? The Mechanisms of the Railway Business of the Six JR Companies" Revised Edition Shigeo Nakajima Price: ¥1,540 Purchased at a bookstore and stored at home for a long time. I think it's clean, but the obi has faded. For those who understand that this is a used book. #ShigeoNakajima #Book #BOOK #Business #Economy #Railroad #YamanoteLine #Shinkansen #JR You can understand the "profit mechanism" of that popular service launched by the railway company.