问题
单项选择题
The change in the quantity of money is determined jointly by the:（）
A. change in the monetary base and the Fed’s required reserve ratio.
B. Fed’s required reserve ratio and the money multiplier.
C. change in the monetary base and the money multiplier.
答案
参考答案：C
解析：
The change in the quantity of money equals the change in the monetary base times the money multiplier.