Olesen OB and NC Petersen (1999). “Probabilistic Bounds on the Virtual Multipliers in Data Envelopment Analysis: Polyhedral Cone Constraints.” JPA 12(2): 103-133.
Olesen OB and NC Petersen (1999). “Probabilistic Bounds on the Virtual Multipliers in Data Envelopment Analysis: Polyhedral Cone Constraints.” JPA 12(2): 103-133.