Berger, Allen N. , Bonime, Seth D. , Covitz, Daniel M. and Hancock, Diana, 1955-. "Why Are Bank Profits so Persistent? The Roles of Product Market Competition, Informational Opacity, and Regional/Macroeconomic Shocks, 1999-028," Finance and Economics Discussion Series (March 24, 1999). https://fraser.stlouisfed.org/title/1491/item/722597, accessed on June 10, 2026.