http://www.theatlantic.com/politics/archive/2007/11/we-need-mckinley/46889/ Rather than an exchange rate hedge, I think the point here is simply that the euro is available in larger cash denominations, which arguably makes it the superior currency for large-scale criminal enterprises. Perhaps bringing back the $500 bill could help pull the dollar out of its doldrums. Meanwhile, it seems that back in the day there was even a $100,000 bill:
The old very large denomination bills, it seems, were used by banks and the government for large transactions before it was possible to do electronic transactions.
This article available online at:
http://www.theatlantic.com/politics/archive/2007/11/we-need-mckinley/46889/
