1 But as a depiction of income inequality trends, the Tcherneva chart obscures more than it reveals. The shortcomings of the chart—and more broadly, its source data compiled by Piketty and his ...

The pie chart’s circularity means the areas lack a common reference point. Pie charts also do badly when there are lots of categories. For example, this chart from a study on data sources used ...

Take a look at this chart, from Bard College economist Pavlina Tcherneva. In an August 2013 paper, she wrote In other words, the wealthy are capturing more and more of the overall income growth ...

The combination chart shows Japan’s current account balance as a line and the country’s primary income, trade ... a sign of export might and a source of confidence in the safe-haven yen.