SEVENGOGO2020-08-26 19:15:40

Which of the following is most likely to occur in the short run if the U.S. Federal Reserve decides to decrease the money supply? A An increase in the velocity of money similar to decrease in the money supply. B A decrease in the unemployment rate. C An increase in the real rate of interest. 这题不太懂，真实利率不是不会变吗？改变货币供给只会改变名义利率，为什么这题名义利率不变，实际利率变了呢？