1Ito, T. (1993): "The Yen and the International Monetary System", In C.F. Bergsten and M. Noland (eds.), Pacific Dynamism and the International Economic System, Washington, D.C.: Institute of International Economics.
2Sato, K. (1998): "The International Use of the Japanese Yen: the Case of Japan's Trade with East Asia", Working Paper Series Vol. 98-16, The International Centre for the Study of East Asian Development, Kitakyushu.
3Cohen, B. (1998): The Geography of Money, London: Comell University Press.
4Fukuda, S. ( 1996): " The Structural Determinants of Invoice Currencies in Japan: The Case of Foreign Trade with East Asian Countries", In: Takatoshi Ito and Anne O. Krueger (eds.), Financial Deregulation and Integration in East Asia, Chicago: University of Chicago Press.
5Hartmann, P. (1998): CurrencyCompetitionand Foreign Exchange Markets: the Dollar, tbe Yenand the Eum, Cambridge: Cambridge University Press.
6Ogawa, E. (2001): "The Japanese Yen as an International Currency", RegionalFinancialArrangements in East Asia, Korea Institute for International Economic Policy (KIEP).
7Ogawa, E. and Sasaki, Y. (1998): "Inertia in the Key Currency," Japan and the World Economy, 10, 421-439.
8Swoboda, A. (1969): "Vehicle Currencies and the Foreign Exchange Market: the Case of the Dollar", In Robert Z. Aliber (eds.), The International Market for Foreign Exchange, New York, Praeger Publishers.
9Tavlas, G. (1991): "On the International Use of Currencies: the Case of the Deutsche Mark", Princeton Studies in International Economics, International Economics Section, Department of Economics Princeton University.