单选题
When the Federal Reserve uses open-market operations to implement an expansionary monetary policy,it
A、
lowers the proportion of reserves required for commercial bank deposits, allowing the banks to increase their loan activity.
B、
buys Treasury securities from commercial banks and pays for the securities by crediting the banks’ accounts at the Fed, allowing these banks to make additional commercial loans.
C、
restricts the type and amount of loans each commercial bank can make, thus reducing the amount of commercial loans the banks can make.
D、
sets and announces higher interest rates on treasury bills, which encourages the banks to invest in the Treasury securities, thus increasing the money supply.
【正确答案】
B
【答案解析】
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