It has often been observed in the literature that non-parametric approaches to the estimation of production frontiers are hardly robust in the presence of outliers. This paper proposes a class of robust frontier estimators based upon extreme value theory. The nature of the proposed method is parametric and also allows to ascertain the presence of outliers in the observed production set.
A Procedure for Detecting Outliers in Frontier Estimation
DESTEFANIS, Sergio Pietro;STORTI, Giuseppe
2005-01-01
Abstract
It has often been observed in the literature that non-parametric approaches to the estimation of production frontiers are hardly robust in the presence of outliers. This paper proposes a class of robust frontier estimators based upon extreme value theory. The nature of the proposed method is parametric and also allows to ascertain the presence of outliers in the observed production set.File in questo prodotto:
Non ci sono file associati a questo prodotto.
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
