"Miki Tsutsui,Mika Goto","A multi-division efficiency evaluation of U.S. electric power companies using a weighted slacks-based measure",,"Socio-Economic Planning Sciences","Elsevier","Vol. 43","No. 3","pp. 201-208",2009,Sept.
"Mika Goto,Miki Tsutsui","Technical efficiency and impacts of deregulation: An analysis of three functions in U.S. electric power utilities during the period from 1992 through 2000",,"Energy Economics","Elsevier","Vol. 30","No. 1","pp. 15-38",2008,Jan.
"Mika Goto,Miki Tsutsui","Comparison of productive and cost efficiencies among Japanese and US electric utilities",,"Omega: International Journal of Management Science","Elsevier","Vol. 26","No. 2","pp. 177-194",1998,Apr.