在鲍莫尔一托宾模型中，考虑下列事件对家庭意愿持有实际货币余额的影响： a．实际收入增长5％；

b．利率下降10％； c．利率和实际收入都增长10％.再分析一下货币余额与实际收入的比例会有什么变化。 In the Baumol—Tobin model，consider the effects of the following events on the desired realmoney balances of households： a．Real income rises by 5 percent． b．Interest rates go down by 10 percent． C．The interest rate and real income rise by 10 percent．Analyze also what happens to the proportion of monetary balances to real income．