Since Europe enacted the euro as its common currency, there has been increased discussion about whether or not the world would benefit from a single global currency. At this point, the proponents seem to have a substantial edge; but like anything else, there are proponents and there are detractors.
The Book: The Single Global Currency
I just got through reading this interesting book by Morrison Bonpasse, who is the president of the Single Global Currency Association. It was an eye-opener.