1Berger A N. 1993. ‘Distribution - free' estimates of efficiency in the U S banking system and tests of the standard distributional assumptions [J ] .Journal of Productivity Analysis 4, P261- P292.
2De Young R, Nolle D E. 1996. Foreign owned banks in the U S: Earning market share or buyingit [J] .Journal of Money, Credit, and Banking 28, Part1.
3Berger A N, Humphrey D B. 1997. Efficiency of financial institutions: International survey and directions for future research [J] . European Journal of Operational Research 98, P175-P212.
4Schmidt P, Sickles R C. 1984. Production frontiers and panel data [J ] .Journal of Business and Economics Statistics 2, P367-P374.
5Asish Saha , T.S. Ravisankar ,2000. Rating of Indian commercial banks: A DEA approach, European Journal of Operational Research 124 (2000) 187--203.
6Berger, 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.
7Barbara Casu, Philip Molyneux, A Comparative Study of Efficiency in European Banking.
8Charnes, A. , Cooper, W. W., Rhodes, E. , 1978. Measuring efficiency of decision making units. European Journal of Operations Researeh 2, 429 444.
9Coelli, T. , 1996. A Guide to DEAP Version 2.1, A Data Envelopment Analysis (Computer) Program.CEPA Working Paper 96/08 analysis. Journal of Econometrics 46, 7 38.
10Farrell, M.J., 1957. The measurement of productive efficiency. J. Roy. Stat. Soc. Series A (General)120, 253 289.
8[2]SHIBA M.Measuring the efficiency of managerial and technical perlbmiancs in forestry activities by means of DEA[J].Inter.J.of Forest Engineering,1997,8(1):7-19.
9[3]LEBEI L G,Stuart W B.Technical efficiency evaluation of logging contractors using a nonparametric model[J].Inter.J.of Forest Engineering,1998,9(2):15-24.
10[4]VIITALA E J,Jannincn H.Measuring the efficiency of public forestry organizations[J].Forest Sci,1998,(3)44:298-307.
