In October of 2012, the interest rate on money market accounts was about 0.4 percent. In 2007, the interest rate on money market accounts was about 4.0 percent. What has been the impact on money demand from this fall in the interest rate? (2012年10月,货币市场账户利率约为0.4%。 2007年,货币市场账户利率约为4.0%。这个利率下降对货币需求的影响是什么?——中文由在线翻译而来,仅供参考)