Income Inequality in the European Union & United States: A Comparative Decomposition

Stefano Filauro and Zachary Parolin ()

No g4cd3, SocArXiv from Center for Open Science

Abstract: This study applies improved household income data to measure and decompose trends in pan-European income inequality from 2006 to 2014. To contrast the relative significance of economic homogeneity versus the efficacy of welfare state and labor market institutions in shaping income distributions, we compare the structure of inequality in the EU-28 to that of the 50 United States. This comparison stands in contrast to the standard practice of evaluating the US against individual EU Member States. Despite the greater relative heterogeneity of the 28 EU Member States and our corrections for the underreporting of household income in the US, post-fisc income inequality in the EU-28 remains lower than that of the US from 2006 onward. Moreover, inequality appears to be rising in the US while it has remained stagnant since 2008 in the EU-28. In both unions, and particularly the US, within-state income differences contribute more to union-wide inequality than between-state differences. In a counterfactual analysis, we find that if the EU-28 matched the between-state homogeneity of the US, but maintained its relative within-country inequalities, pan-European inequality would fall by only 20 percent. Conversely, inequality in the US would fall by 34 percent if it matched the within-country inequality of the EU-28. Our findings suggest that the strengthening of egalitarian institutions within the 28 Member States is more consequential than economic convergence in reducing pan-European income inequality. We highlight institutional challenges toward achieving a ‘more equal’ Europe and discuss implications for future EU policymaking.

Date: 2018-09-06
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:osf:socarx:g4cd3

DOI: 10.31219/osf.io/g4cd3

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