The Federal Reserve Bank engaged in "quantitative easing" in November of 2010 because the
Federal Reserve:

A. hoped it would lead to lower interest rates on long - term debt, which would have a contractionary effect on the economy.
B. recognized the zero lower bound problem and thought that "quantitative easing" might stimulate the economy given that open market purchases were ineffective.
C. hoped that direct purchases of longer - term bonds would increase interest rates on long - term debt.
D. no longer believed in open market operations as a monetary policy tool.