Comment: On the Interpretation (and Misinterpretation) of Inequality Decompositions by Income Sources
This paper discusses interpretations of different inequality decomposition rules when inequality is decomposed by income sources. It argues that authors of a recent article based their conclusions on misinterpreted decomposition results. It also argues that marginal effects, derived as elasticities of inequality with respect to uniform increases in income from each source, are easily interpreted and can be compared across different decomposition rules.
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- Davis, Benjamin & Winters, Paul & Carletto, Gero & Covarrubias, Katia & Quiñones, Esteban J. & Zezza, Alberto & Stamoulis, Kostas & Azzarri, Carlo & DiGiuseppe, Stefania, 2010. "A Cross-Country Comparison of Rural Income Generating Activities," World Development, Elsevier, vol. 38(1), pages 48-63, January.
- Lerman, Robert I & Yitzhaki, Shlomo, 1985. "Income Inequality Effects by Income," The Review of Economics and Statistics, MIT Press, vol. 67(1), pages 151-56, February.
- Podder, Nripesh, 1993. "The Disaggregation of the Gini Coefficient by Factor Components and Its Applications to Australia," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 39(1), pages 51-61, March.
- Graham Pyatt & Chau-nan Chen & John Fei, 1980. "The Distribution of Income by Factor Components," The Quarterly Journal of Economics, Oxford University Press, vol. 95(3), pages 451-473.
- Anthony F. Shorrocks, 1983. "The Impact of Income Components on the Distribution of Family Incomes," The Quarterly Journal of Economics, Oxford University Press, vol. 98(2), pages 311-326.
- Podder, Nripesh & Chatterjee, Srikanta, 2002. "Sharing the national cake in post reform New Zealand: income inequality trends in terms of income sources," Journal of Public Economics, Elsevier, vol. 86(1), pages 1-27, October.
- Shorrocks, A F, 1982. "Inequality Decomposition by Factor Components," Econometrica, Econometric Society, vol. 50(1), pages 193-211, January.
- Jonathan Morduch & Terry Sicular, 1998.
"Rethinking Inequality Decomposition, with Evidence from Rural China,"
Harvard Institute of Economic Research Working Papers
1831, Harvard - Institute of Economic Research.
- Jonathan Morduch & Terry Sicular, 2002. "Rethinking Inequality Decomposition, With Evidence from Rural China," Economic Journal, Royal Economic Society, vol. 112(476), pages 93-106, January.
- Paul, Satya, 2004. "Income sources effects on inequality," Journal of Development Economics, Elsevier, vol. 73(1), pages 435-451, February.
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