Poor dollar standard

摘要

"The United States can pay any debt it has because we can always print money to do that," said Alan Greenspan, a former chairman of the Federal Reserve, after Standard & Poor's cut America's credit rating. Whenever this point is made, people usually respond by invoking Zimbabwe. As the hapless African republic demonstrated, there is a limit to how much money a government can print before its economy plunges into hyperinflation.