Mark, that&#x27;s a good point.  However, I don&#x27;t know how much of the world&#x27;s dollars are used to buy goods that are priced in dollars, but I suspect the holdings of the developing countries to defend their currencies dwarf the amount used to buy such goods.  From <a href="http:&#x2F;&#x2F;usgovinfo.about.com&#x2F;od&#x2F;moneymatters&#x2F;ss&#x2F;How-Much-US-Debt-Does-China-Own.htm" rel="nofollow">http:&#x2F;&#x2F;usgovinfo.about.com&#x2F;od&#x2F;moneymatters&#x2F;ss&#x2F;How-Much-US-De...</a> foreign governments own $4.5T of the US debt.