Cuesta RA and JL Zofio (2005). “Hyperbolic Efficiency and Parametric Distance Functions: With Application to Spanish Savings Banks.” JPA 24(1): 31-48.

Cuesta RA and JL Zofio (2005). “Hyperbolic Efficiency and Parametric Distance Functions: With Application to Spanish Savings Banks.” JPA 24(1): 31-48.

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