We’re shocked at the passing of economist Alan Krueger. Great economist and great guy. Way too young to leave us. He will be missed.
GMM sends thoughts and prayers to his family, Lisa Simon, Benjamin, and Sydney.
Love his Great Gatsby Curve (GGC), which illustrates the relationship between inequality and intergenerational social immobility, which, by the way, was just confirmed and reinforced by the recent college admissions/bribe scandal. The GGC could, and should, be a central focus of the 2020 presidential campaign.
Global Macro Monitor 
I wonder how much of the inequality is due to illegal immigration and other ethnic factors. In general the countries in the lower left are also the most ethnically homegenious. What about comparing just the majority ethnic group so innequality and mobility of white americans vs white Danes for example. Also what if you eliminate the top .1% from the analysis. The US has produced a few hundred extremely wealthy people but not sure they are really relevant for in a broad overall assessment of innequality.