Social Mobility Is Slower than Previously Thought

Gregory Clark, an economist at UC Davis, discusses the evidence that, while members of both the upper and the lower class tend to revert to the mean over time, social mobility is slower than previously thought: regression to the mean can take 10 to 15 generations (or 300 to 450 years).

Russia and Ukraine

According to Akos Lada, a PhD candidate in political economy and government at Harvard, nations are more likely to go to war when they are culturally similar.