2Sealey, Calvin, and James Lindley, "Inputs,Outputs, and a Theory of Production and Cost at Depository Financial Institutions," Journal of Finance32 (September 1977): 1251-66.
3Benston, G J, G A Hanweck, and D B Humphrey, " Scale Economies in Banking: A Restructuring and Reassessment,"Journal of Money, Credit and Banking, 14:1 (1982), 435-450.
4Hancock, D., A Theory of Production for the Financial Firm. Kluwer Academic Press, Boston,1991.