Global income distributions and inequality, 1993 and 2000: incorporating country-level inequality modeled with beta distributions

Chotikapanich, Duangkamon, Griffiths, William E., Rao, D. S. Prasada and Valencia, Vicar (2012) Global income distributions and inequality, 1993 and 2000: incorporating country-level inequality modeled with beta distributions. The Review of Economics and Statistics, 94 1: 52-73. doi:10.1162/REST_a_00145

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Author Chotikapanich, Duangkamon
Griffiths, William E.
Rao, D. S. Prasada
Valencia, Vicar
Title Global income distributions and inequality, 1993 and 2000: incorporating country-level inequality modeled with beta distributions
Journal name The Review of Economics and Statistics   Check publisher's open access policy
ISSN 0034-6535
1530-9142
Publication date 2012-02
Year available 2010
Sub-type Article (original research)
DOI 10.1162/REST_a_00145
Open Access Status File (Publisher version)
Volume 94
Issue 1
Start page 52
End page 73
Total pages 22
Place of publication Cambridge, MA, United States
Publisher MIT Press
Collection year 2011
Language eng
Abstract Using a method-of-moments estimator, flexible three-parameter beta distributions are fitted to aggregate country-level income data to overcome an untenable assumption of previous studies, that persons within each income group receive the same income. Regional and global income distributions are derived as weighted mixtures of country-specific distributions. Analytical expressions for Gini and Theil's measures of inequality at country, regional and global levels are derived in terms of the parameters of the beta distributions. Application to data for 91 countries in 1993 and 2000 reveals a high degree of global inequality, with evidence of declining inequality, largely attributable to growth in China.
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Posted Online October 7, 2010.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2011 Collection
ERA 2012 Admin Only
School of Economics Publications
 
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Created: Fri, 11 Mar 2011, 11:48:12 EST by Alys Hohnen on behalf of School of Economics