Fukuyama H and WL Weber (2005). “Estimating Output Gains by Means of Luenberger Efficiency Measures.” EJOR 164(2): 535-547.

Fukuyama H and WL Weber (2005). “Modeling Output Gains and Earnings’ Gains.” Int J Info Tech Decis 4(3): 433-454.

Fukuyama H (1993). “Technical and Scale Efficiency of Japanese Commercial Banks: A Non-Parametric Approach.” Appl Econ 25(8): 1101-1112.

Fukuyama H (1995). “Measuring Efficiency and Productivity Growth in Japanese Banking: A Nonparametric Frontier Approach.” Applied Financial Economics 5(2): 95-107.

Fukuyama H (1996). “Returns to Scale and Efficiency of Credit Associations in Japan: A Nonparametric Frontier Approach.” Japan and the World Economy 8(3): 259-277.

Fukuyama H (1997). “Investigating Productive Efficiency and Productivity Changes of Japanese Life Insurance Companies.” Pacific-Basin Finance Journal 5(4): 481-509.

Fukuyama H (2000). “Returns to Scale and Scale Elasticity in Data Envelopment Analysis.” EJOR 125(1): 93-112.

Fukuyama H (2001). “Returns to Scale and Scale Elasticity in Farrell, Russell and Additive Models.” JPA 16(3): 225-239.

Fukuyama H (2003). “Scale Characterizations in a DEA Directional Technology Distance Function Framework.” EJOR 144(1): 108-127.

Fukuyama H and R Guerra (1999). “Efficiency and Ownership: Evidence from Japanese Credit Cooperatives.” J Economics and Business 51(6): 473.