Simar, Léopold; Wilson, Paul W. - In: Foundations and Trends(R) in Econometrics 5 (2013) 3–4, pp. 183-337
Nonparametric estimators are widely used to estimate the productive efficiency of firms and other organizations, but often without any attempt to make statistical inference. Recent work has provided statistical properties of these estimators as well as methods for making statistical inference,...