That is why a country's current account and its capital account (which includes changes in central bank reserves) must always balance to zero. (carnegieendowment.org)
The dollars swelling European and Asian central bank reserves are an embarrassment of riches. (michael-hudson.com)
More than 60 percent of central bank reserve assets are denominated in dollars, and that share has been stable to rising in recent years. (newyorkfed.org)