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Efficiency of Japan city banks.

Another example --> (Chinese commercial banks)
Table: Data of 9 City Banks* (Cooper & others p. 141)
No. Bank Branch Employee Assets** Profits**
C1 Dai-ichi Kangyo 407 17,837 53,438,938 411,149
C2 Sakura 529 18,805 52,535,262 302,901
C3 Fuji 363 15,188 51,368,976 371,364
C4 Tokyo Mitsubishi 419 20,235 78,170,694 504,422
C5 Asahi 436 13,149 29,531,193 170,835
C6 Sanwa 395 13,998 52,999,340 399,398
C7 Sumimoto 397 15,710 56,468,571 353,531
C8 Daiwa 218 8,671 16,665,573 112,121
C9 Tokai 305 11,546 31,376,180 186,640
     output      input
* Source: Analysis of Financial Statements of all Banks,
               Federation of Bankers Associations of Japan. 1995, 1996, 1997.
** Unit= One million yen ( 8300 USD)

Table: Efficiences and Returns to Scale (DEA analysis)
Bank CCR BCC Scale
No. Score Reference Score RTS Score
C1 1 1 Const 1
C2 0.742 R2 C1 C6 0.747 Const 0.993
C3 0.981 C1 C4 C6 0.99 Incr 0.991
C4 1 1 Const 1
C5 0.728 R2 C1 0.743 Const 0.98
C6 1 1 Const 1
C7 0.854 C1 C4 C6 0.866 Incr 0.986
C8 0.853 R2 C1 0.854 Const 0.999
C9 0.766 R2 C1 0.766 Incr 1
Process
Change criteria weights
Another example (Chinese commercial banks)