Paper Information

Journal:   JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)   WINTER 2006 , Volume 16 , Number 58/1 (MATHEMATICS ISSUE); Page(s) 55 To 65.
 
Paper: 

A SIMULATION STUDY OF DEA AND PARAMETRIC FRONTIER MODELS IN THE PRESENCE OF NON-HOMOGENEOUS VARIANCE

 
 
Author(s):  DANESHIAN BEHROUZ*, ABTAHI S.Y.
 
* DEPARTMENT OF MATHEMATICS, LAHIJAN BRANCH, ISLAMIC AZAD UNIVERSITY, LAHIJAN
 
Abstract: 

This paper studies the effects on non-homogeneous variance on the following four types of estimators: (1) DEA joined to regression forms, (2) COLS-R, (3) COLS-M and (4) Goal programming with one-sided deviations as in Aigner and Chu (A&C).
The data are simulated to form the frontier. The simulation result indicates DEA-based estimators are the best estimators of efficient output even under non-homogeneous variance.

 
Keyword(s): ESTIMATOR'S FRONTIER, SIMULATION, NON- HOMOGENOUS VARIANCE, DEA
 
References: 
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