**Must-Read:** Unless I misread it, the authors should also include an additional sentence in their abstract: "We failed to find a statistically significant difference between the effect on growth of politically-connected wealth inequality and the effect on growth of politically-unconnected wealth inequality." That would be a more accurate description of what the data say, I think, and would lead to some differences in interpretation...

**: Does wealth inequality matter for growth? The effect of billionaire wealth, income distribution, and poverty: "When we control for the fact that some billionaires...**

...acquired wealth through political connections, the relationship between politically connected wealth inequality and economic growth is negative, while politically unconnected wealth inequality, income inequality, and initial poverty have no significant relationship...

http://www.sciencedirect.com/science/article/pii/S0147596715000505