问题
单项选择题
Which of the following statements about the demand for and supply of money is least accurate （）
A. As gross domestic product rises, the demand for money balances also rises.
B. As the interest rate rises, the demand for money falls.
C. As the interest rate rises, the supply of money also rises.
答案
参考答案：C
解析：
The supply of money is determined by the monetary authorities and is not affected by changes in interest rates. Thus, the supply of money curve is vertical.