Berger A, G Haweck and D Humphrey (1987). “Competitive Viability in Banking: Scale, Scope, and Product Mix Economies.” J Monetary Economics 2: 501-520.
Berger A, G Haweck and D Humphrey (1987). “Competitive Viability in Banking: Scale, Scope, and Product Mix Economies.” J Monetary Economics 2: 501-520.