Over the past decades, we have witnessed a substantial increase in the focus on income inequality both among academics and in the public in general. In particular, the focus has been on the so-called top one percent income share, which measured the share of total income in the economy that goes to the one percent of the population with the highest incomes. For people, who have followed the debate on inequality in Scandinavia, this particular focus might appear narrow, and it is quite natural to ask, why should we focus on top income shares, when we have other standard inequality measures such as the Gini coefficient that captures changes in the entire income distribution?
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