Tsay, Wen-Jen; Huang, Cliff J.; Fu, Tsu-Tan; Ho, I-Lin - Institute of Economics, Academia Sinica - 2009
This paper takes issues with the appropriateness of applying the stochastic frontier analysis (SFA) technique to account for environmental effects and statistical noise in the popular three-stage data envelopment analysis (DEA). A correctly specified SFA model with a censored dependent variable...