Leaked tax-haven data shows that the super rich are way, way richer than suspected

When Thomas Piketty and his team undertook their landmark study of wealth inequality in the world, they had to rely on the self-reported income of the super rich to see just how income was distributed -- by definition, they couldn't directly measure the unreported income hidden in tax havens (though they did estimate it, with what was eventually shown to be pretty good precision). (more")