Badunenko, Oleg; Henderson, Daniel J.; Kumbhakar, Subal - 2011
In this paper we compare two flexible estimators of technical efficiency in a cross-sectional setting: the … nonparametric kernel SFA estimator of Fan, Li and Weersink (1996) to the nonparametric bias corrected DEA estimator of Kneip, Simar … examples. We find that the reliability of efficiency scores critically hinges upon the ratio of the variation in efficiency to …