I came across this infographic on exchange rates again recently, and I think it’s worth re-sharing:

a history of exchange rates
Thanks this website

Which I think is a pretty excellent shorthand guide to what I spent weeks talking about in that Petrodollar Wars series of blog posts.

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.