Berger AN and DB Humphrey (1993). “Efficiency and Productivity Growth in U.S. Banking.” in Fried HO and SS Schmidt (eds.) the Measurement of Productive Efficiency: Techniques and Applications, Oxford U.K.: 386-413.
Berger AN and DB Humphrey (1993). “Efficiency and Productivity Growth in U.S. Banking.” in Fried HO and SS Schmidt (eds.) the Measurement of Productive Efficiency: Techniques and Applications, Oxford U.K.: 386-413.