Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/171882 
Erscheinungsjahr: 
2016
Quellenangabe: 
[Journal:] Econometrics [ISSN:] 2225-1146 [Volume:] 4 [Issue:] 3 [Publisher:] MDPI [Place:] Basel [Year:] 2016 [Pages:] 1-12
Verlag: 
MDPI, Basel
Zusammenfassung: 
Gini index is a widely used measure of economic inequality. This article develops a theory and methodology for constructing a confidence interval for Gini index with a specified confidence coefficient and a specified width without assuming any specific distribution of the data. Fixed sample size methods cannot simultaneously achieve both specified confidence coefficient and fixed width. We develop a purely sequential procedure for interval estimation of Gini index with a specified confidence coefficient and a specified margin of error. Optimality properties of the proposed method, namely first order asymptotic efficiency and asymptotic consistency properties are proved under mild moment assumptions of the distribution of the data.
Schlagwörter: 
distribution-free method
fixed width confidence interval
Gini index
sample size planning
U-statistics
JEL: 
C13
C14
C40
C44
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