一项研究发现,那些没有子女的老年人的负储蓄与那些有子女的老年人的负储蓄比率大体相等。这一发现对老年人的
One study found that the elderly who do not have children dissave at about the same rate as the elderly who do have children. What might this finding imply about the reason the elderly do not dissave as much as the life-cycle model predicts?