Bauer, Paul W. , Berger, Allen N. , Ferrier, Gary D. and Humphrey, David B. "Consistency Conditions for Regulatory Analysis of Financial Institutions: A Comparison of Frontier Efficiency Methods, 1997-050," Finance and Economics Discussion Series (January 1998). https://fraser.stlouisfed.org/title/1491/item/722509, accessed on May 18, 2026.