Study on Postal Savings -An Empirical Analysis of the Role of Postal Savings, Japanese Case-. The Bureau of Tokyo Postal Service. 1997
Stock Price Variations and Capital Ratios of Major Japanese Bank, with chikara Komura. Review of Asian and Pacific Studies, Seikei University Center for Asian and Pacific Studies. 1997. 14. 75-95
Regulation of Bank Capital Ratio and Probability of Bank Failure -an empirical analysis of the Japanese and Korean Banks-
Seikei University(Ph. D. dissertation) 1994