Several years ago (June 2006) I wrote an article advancing a new theory of why the dollar is the world’s dominant currency and why it is likely to remain so. The article was published in the midst of the last boom and sank like a stone. But now debate about the cause of the dollar’s hegemony has been revived in an interesting paper by Fields and Vernengo titled “Hegemonic currencies during the crisis: The dollar versus the euro in a Cartelist perspective” (also here). Their paper provides an opportunity to revive discussion, so I am posting the article again. Here it is (subject to a couple of word edits):
The U.S. dollar is much in the news these days and there is a sense that the world economy may have become excessively reliant on the dollar. This reliance smacks of dysfunctional co-dependence whereby the U.S. and the rest of the world both rely on the dollar’s strength, but neither is well served by it.
The U.S. dollar is the world’s premiere currency, with approximately two-thirds of world official foreign exchange holdings being dollars. Moreover, many countries appear willing to run sustained trade surpluses with the U.S., supplying everything from t-shirts to Porsches in return for additional dollar holdings. This willingness to exchange valuable resources for paper IOUs represents a form of dollar tribute. Read the rest of this entry »