When total utility is at a maximum, marginal utility is zero.

When a recession ends,

A) the household sector decreases spending substantially. B) interest rates decrease. C) households decrease spending on durable goods. D) firms increase the amount of borrowing.

If the nominal exchange rate does not change, but U.S. prices rise, the real exchange rate has ________, and U.S. imports are likely to ________

A) increased; rise B) increased; fall C) decreased; rise D) decreased; fall