Convergence of Income Inequality in OECD Countries Since 1870: A Multi-Method Approach with Structural Changes

Sakiru Solarin, Sinan Erdogan and Uğur Pata ()

Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, 2023, vol. 166, issue 3, No 4, 626 pages

Abstract: Abstract This paper aims to examine convergence of income inequality in 21 OECD countries using several empirical techniques. In particular, we have used a new panel stationarity test, which allows for structural changes and cross-sectional dependence to examine the stochastic convergence of income inequality. We also employed a time series approach, residual augmented least squares-Lagrange multiplier unit root test. The empirical results show evidence for absolute, conditional, and sigma convergence. The conditional convergence test results suggest that countries are converging, but conditional on the two structural factors-economic and population growth. The stochastic convergence test results indicate the existence of convergence at the country-specific level. The results further confirm the existence of convergent clubs among OECD countries.

Keywords: Income inequality; Gini index; Convergence analysis; Structural changes (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11205-023-03080-2

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