Cherchye L, T Kuosmanen and GT Post (2001). “FDH Directional Distance Functions with an Application to European Commercial Banks.” JPA 15(3): 201-215.

Cherchye L, T Kuosmanen and GT Post (2001). “FDH Directional Distance Functions with an Application to European Commercial Banks.” JPA 15(3): 201-215.

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