解释以下ab选项

问题如下：

The proposition that the real interest rate is relatively stable is most closely associated with:

选项：

the Fisher effect.

money neutrality.

the quantity theory of money.

解释：

A is correct.

The Fisher effect is based on the idea that the real interest rate is relatively stable. Changes in the nominal interest rate result from changes in expected inflation.

考点：the Fisher effect.

解析：费雪效应认为，一国的真实利率水平是不变的，滥发货币会造成人们对于通胀预期的改变，从而造成名义利率水平的改变，因此A选项正确。