Over the past 10 years, central banks and governments throughout the developing world have accumulated foreign exchange reserves and other official assets at an unprecedented rate. This paper shows that this official asset accumulation has driven a substantial portion of the recent large global...

In the aftermath of the Asian financial crisis of 1997–99, central banks and governments throughout the developing world have accumulated foreign exchange reserves and other official assets at an unprecedented rate. This paper shows that this official asset accumulation has driven a...

This paper shows that the scope for bond yields to fall below zero is strictly limited by market expectations about how far below zero central banks are willing to set their short-term policy rates. If a central bank communicates a credible commitment to keeping its policy rate above a given...

This paper explores the effects of unconventional monetary and exchange rate policies. We find that official foreign asset purchases have large effects on current accounts that diminish as capital mobility rises and spill over to financially integrated countries. There is an additional effect...