OECD Social, Employment and Migration Working Papers
This series is designed to make available to a wider readership selected labour market, social policy and migration studies prepared for use within the OECD. Authorship is usually collective, but principal writers are named. The papers are generally available only in their original language - English or French - with a summary in the other.
- ISSN: 1815199X (online)
- https://doi.org/10.1787/1815199X
Redistribution Policy and Inequality Reduction in OECD Countries
What Has Changed in Two Decades?
We use a range of data sources to assess if, and to what extent, government redistribution policies have
slowed or accelerated the trend towards greater income disparities in the past 20-25 years. In most
countries, inequality among “non-elderly” households has widened during most phases of the economic
cycle and any episodes of narrowing income differentials have usually not lasted long enough to close the
gap between high and low incomes that had opened up previously. With progressive redistribution systems
in place, greater inequality automatically leads to more redistribution, even if no policy action is taken. We
find that, in the context of rising market-income inequality, tax-benefit systems have indeed become more
redistributive since the 1980s but that this did not stop income inequality from rising: market-income
inequality grew by twice as much as redistribution. The redistributive strength of tax-benefit systems
weakened in many countries particularly in the most recent decade. While growing market-income
disparities were the main driver of inequality trends between the mid-1980s and mid-1990s, reduced
redistribution was often the main driver in the ten years that followed. Benefits had a much stronger impact
on inequality than social contributions or taxes, despite the much bigger aggregate size of direct taxes. As a
result, redistribution policies were often less successful at counteracting growing income gaps at the
bottom in the top half of the income distribution.
Keywords: working age population, redistribution, income inequality, OECD
JEL:
C81: Mathematical and Quantitative Methods / Data Collection and Data Estimation Methodology; Computer Programs / Methodology for Collecting, Estimating, and Organizing Microeconomic Data; Data Access;
H55: Public Economics / National Government Expenditures and Related Policies / Social Security and Public Pensions;
D31: Microeconomics / Distribution / Personal Income, Wealth, and Their Distributions;
H22: Public Economics / Taxation, Subsidies, and Revenue / Taxation and Subsidies: Incidence
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