Yamori, Nobuyoshi and Harimaya, Kozo (2010): Efficiency in the Japanese trust banking industry: A stochastic distance function approach. Unpublished.
Yamori, Nobuyoshi; Harimaya, Kozo and Tomimura, Kei (2011): Roles of Outside Directors in Cooperative Financial Institutions. Unpublished.
Yamori, Nobuyoshi; Tomimura, Kei and Harimaya, Kozo (2009): What kinds of credit associations favor introducing new financial technology? Unpublished.