The folks at learnstuff.com have sent me an infographic on the gender wage gap in the United States (click here). The puzzle is this: although women achieve higher scores in college than their male peers, women earn less than men. This holds true across all levels of education. Why? Discrimination may be part of the story, but child-rearing may explain a large chunk of the gap. A neat study would be to look at the effect of child-rearing on the wage gap. In other words, does the wage gap exist for childless women? If so, the puzzle deepens.
According to Robert Shiller , speaking at Davos, Bitcoin is a perfect example of a bubble - story here . Shiller sees Bitcoin as a backwards step in the evolution of money. George Selgin , a free banker, takes an opposing view - click here . Although he doesn't believe that Bitcoin is money, he sees its development as a fascinating turn in the evolution of money. In particular, he lauds the fact that Bitcoin production is constrained and cannot be infinite. There is a short video below where Bitcoin explain how it works.