Trends in income inequality and its impact on economic growth by Federico Cingano published by OECD, indicated by Marcos Mendes (12/2014). “In most OECD countries, the gap between rich and poor is at its highest level since 30 years. Today, the richest 10 per cent of the population in the OECD area earn 9.5 times the income of the poorest 10 per cent; in the 1980s this ratio stood at 7:1 and has been rising continuously ever since…”
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