Measuring the efficiency of financial institutions: the importance of choosing a frontier

Who's minding the store? motivating and monitoring hired managers at small, closely held firms: the case of commercial banks

DeYoung, Robert, (1999)

Of firewalls and subsidiaries: the right stuff for expanded bank activities

Shull, Bernard, (1998)

A general method of deriving the inefficiencies of banks from a profit function

Akhavein, Jalal D., (1995)