Document complet disponible sur OLIS dans son format d'origine Complete document available on OLIS in its original format ECO/WKP(2012)1 Unclassified English -Or. English ECO/WKP(2012)1 2 ABSTRACT/RÉSUME Less income inequality and more growth -Are they compatible? Part 1. Mapping income inequality across the OECDCountries differ widely with respect to the level of labour income inequality among individuals of working age. Labour income inequality is shaped by differences in wage rates, hours worked and inactivity rates. Individual labour income inequality is the main driver of household market income inequality, with family formation as well as self-employment and capital income dispersion playing a smaller role. Household disposable income dispersion is lower in all OECD countries than household market income inequality, due to the redistributive effect of tax and transfer systems, but redistribution differs widely across countries. This paper maps income inequality for all OECD countries across various inequality dimensions and summarises them in inequality outcome diamonds. It also provides a cluster analysis that identifies groups of countries that share similar inequality patterns.

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JT03314130Taxes and transfers reduce inequality in disposable income relative to market income. The effect varies, however, across OECD countries. The redistributive impact of taxes and transfers depends on the size, mix and the progressivity of each component. Some countries with a relatively small tax and welfare system (e.g. Australia) achieve the same redistributive impact as countries characterised by much higher taxes and transfers (e.g. Germany) because they rely more on income taxes, which are more progressive than other taxes, and on means-tested cash transfers. This paper provides an assessment of the redistributive effect of the main taxes and cash transfers based on a set of policy indicators and a literature review. It also identifies empirically four groups of countries with tax and transfer systems that share broadly similar features. The paper then assesses potential trade-offs and complementarities between economic growth and income redistribution objectives associated with various tax and transfer reform options. Les impôts et les transferts amènent les inégalités de revenu disponible à un niveau inférieur à celles du revenu marchand. Cet effet redistributif des impôts et transferts n'a pas la même ampleur dans tous les pays de l'OCDE. Il dépend de la taille, de la composition des impôts et transferts ainsi que de la progressivité de chaque composante. Certains pays ayant un système fiscal et de protection sociale relativement peu importants (comme l'Australie, par exemple) obtiennent le même effet redistributif que des pays où les impôts et les transferts sont beaucoup plus élevés (comme l'Allemagne) du fait qu'ils recourent davantage aux impôts sur le revenu, plus progressifs que les autres impôts, et à des transferts en espèces ciblés sur les ménages les plus démunis. Ce document donne une évaluation de l'effet redistributif des principaux impôts et transferts à partir d'une série d'indicateurs de l'action publique et d'une revue des études existantes. Il identifie aussi, de manière empirique, quatre groupes de pays dont les systèmes fiscaux et de protection sociale présentent des caractéristiques à peu près similaires. Le document évalue ensuite les arbitrages et complémentarités potentiels entre les objectifs de croissance économique et de redistribution du revenu relatifs aux diverses possibilités de réforme des systèmes fiscaux et de protection sociale. JEL classification codes:Classification JEL : H2 ; H23 ; H53 ; I3 ; I38 Mots-clés : Inégalités de revenues ; impôts ; transferts, systèmes de protection sociale ; redistribution ; progressivité ; analyse en cluster © OECD (2012) You can copy, download or print OECD content for your own use, and you can include excerpts from OECD publications, databases and multimedia products in your own documents, presentations, blogs, websites and teaching materials, provided that suitable acknowledgment of OECD as source and copyright owner is given. All requests for commercial use and translation rights should be submitted to rights@oecd.org

Document complet disponible sur OLIS dans son format d'origine Complete document available on OLIS in its original format ECO/WKP(2012)1 Unclassified English-Or. English ECO/WKP(2012)1 2 ABSTRACT/RÉSUME Less income inequality and more growth-Are they compatible? Part 1. Mapping income inequality across the OECD Countries differ widely with respect to the level of labour income inequality among individuals of working age. Labour income inequality is shaped by differences in wage rates, hours worked and inactivity rates. Individual labour income inequality is the main driver of household market income inequality, with family formation as well as self-employment and capital income dispersion playing a smaller role. Household disposable income dispersion is lower in all OECD countries than household market income inequality, due to the redistributive effect of tax and transfer systems, but redistribution differs widely across countries. This paper maps income inequality for all OECD countries across various inequality dimensions and summarises them in inequality outcome diamonds. It also provides a cluster analysis that identifies groups of countries that share similar inequality patterns.

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The OECD Economic Policy Paper Series is published on the responsibility of the Secretary-General of the OECD. This paper is published under the responsibility of the Secretary-General of the OECD. The opinions expressed and the arguments employed herein do not necessarily reflect the official views of OECD member countries.