如果一国人口下降，货币总需求函数会如何变化？人口下降的原因可能是由于家庭数量的减少，也可能是由于家庭平

如果一国人口下降，货币总需求函数会如何变化？人口下降的原因可能是由于家庭数量的减少，也可能是由于家庭平均规模的下降，这对于分析货币总需求的变化是否重要？

  How would you expect a fall in a country's population to alter its aggregate money demand function？ Would it matter if the fall in population were due to a fall in the number of households or to a fall in the average size of a household？