Fried HO, CAK Lovell, SS Schmidt and S Yaisawarng (2002). “Accounting for Environmental Effects and Statistical Noise in Data Envelopment Analysis.” JPA 17(1-2): 157-174.
Fried HO, CAK Lovell, SS Schmidt and S Yaisawarng (2002). “Accounting for Environmental Effects and Statistical Noise in Data Envelopment Analysis.” JPA 17(1-2): 157-174.