[Preamble: I’m on hiatus for the holidays. As always, I’ve prepared some posts for while I’m away. Until mid-Jan then. ~ RA]

Courtesy of: Visual Capitalist

Rolling Alpha posts opinions on finance, economics, and sometimes things that are only loosely related. Follow me on Twitter @RollingAlpha, and on Facebook at www.facebook.com/rollingalpha. Also, check out the RA podcast on iTunes: The Story of Money.