Tax breaks for savings also present a macroeconomic dilemma, at a time of worries about weakness in demand.
在担心需求疲软之时，对储蓄的税收优惠也存在宏观经济学上的两难困境。
2
That's why aid to the unemployed is an effective stimulus; it also suggests that tax cuts for lower-income workers will be relatively effective at raising demand.
这就是为什么给失业者帮助是一种有效刺激；这也说明削减低收入工人的税收对增加需求是有相应作用的。
3
Impose an excise tax on oil to increase incentives to drivers and manufacturers to economize on fuel use and soften growth in demandfor oil.