3Aigner, D , C A K LoveU and P Schmidt, 1977, Formtdation and estimation of stochastic frontier production function models, Journal of Econometrics 6, 21 - 37.
4Bauer, P , A.Betger and D Humphrey, 1993, Efficiency and productivity growth in U.S.banking, in: H.O. Ffied, C A K Lovell and S S Schmidt, eds., The measurement of productive efficiency: Techniques and applications ( Oxford University Press, Oxford).
5Berger,A N , W C Hunter and S G Timme, 1993a, The efficiency of financial institutions: A review and preview of research, past, present and future, Journal of Banking and Finance 17, 221 - 250.
6Evaaoff, D D , Israflevieh, P R , 1995. Scale elasticity versus scale efficiency in baaking. Southem Journal d Ecoaoraics 61,1036 - 1047.
7Mester, L J , 1996. A study of bank efficiency taking into account risk - preferences. Journal of Banking and Finance 20, 1025- 1045.
8Asish Saha , T.S. Ravisankar ,2000. Rating of Indian commercial banks: A DEA approach, European Journal of Operational Research 124 (2000) 187--203.
9Berger, A. N. , Humphrey, D.B. , 1997. Efficiency of financial institutions : international survey and directions for future research. European Journal of Operational Research 98, 175 212.
10Barbara Casu, Philip Molyneux, A Comparative Study of Efficiency in European Banking.
