February 5th, 2004, 5:59 pm
This can create quite a problematic situation for central banks, though. Most central banks don't enjoy quite the tightness of credit spreads that our esteemed Treasury does - which is kind of hilarious given there recent abuse of creditors. This is obviously even more true of emerging economies. So, immunizing in this instances can be quite costly (lend at US rate borrow at emerging market rates). There is a an article in the Economist this week about this, in reference to the notorious accumulation of Treasuries by Asian central banks.