The Bank of England, the Federal Reserve (Fed) and the European Central Bank (ECB) have responded to the crisis with exceptional initiatives resulting in a major increase in their balance sheets. After the ECB's end-2011 launch of three-year bank refinancing (LTRO), there has been speculation...

Until 1935, Federal Reserve Banks from time to time purchased short-term securities directly from the United States Treasury to facilitate Treasury cash management operations. The authority to undertake such purchases provided a robust safety net that ensured Treasury could meet its obligations...