An almost unbiased estimator of the coefficient of variation

Authors
Breunig, R
Citation
R. Breunig, An almost unbiased estimator of the coefficient of variation, ECON LETT, 70(1), 2001, pp. 15-19
Citations number
9
Categorie Soggetti
Economics
Journal title
ECONOMICS LETTERS
ISSN journal
01651765 → ACNP
Volume
70
Issue
1
Year of publication
2001
Pages
15 - 19
Database
ISI
SICI code
0165-1765(200101)70:1<15:AAUEOT>2.0.ZU;2-6
Abstract
A bias correction method for inequality measures is proposed. The coefficie nt of variation squared (CV2) is used as an example and its sampling proper ties, bias, and mean squared error are provided. CV2 is shown to be downwar d biased for positively skewed distributions. A bias corrected estimator is provided. (C) 2001 Elsevier Science B.V. All rights reserved. JEL classifi cation: C13; D31.