An increase in exports of goods or services with no change in imports of goods or services A: decreases GDP. B: increases GDP. C: may increase or decrease GDP depending on whether it is the export of goods or the export of services that increased. D: has no effect on GDP.

中国大学MOOC: Like real GDP, investment fluctuates, but it fluctuates much less than real GDP.

Like real GDP, investment fluctuates, but it fluctuates much less than real GDP. A: 正确 B: 错误

自己在家做家务不应该计入GDP，在劳务市场请保姆做家务计入GDP.

A steel company sells some steel to a bicycle company for $150. The bicycle company uses the steel to produce a bicycle，which it sells for $250. Taken together， these two transactions contribute（ ）. A: $250 to GDP. B: $150 to GDP. C: between $250 and $400 to GDP, depending on the profit earned by the bicycle company when it sold the bicycle. D: $400 to GDP.

The output gap is the A: percentage deviation of real GDP from potential GDP. B: difference between actual inflation and core inflation. C: difference in graduation levels between high school and college. D: percentage increase in the economic growth rate of real GDP.

自己在家做家务不应该计入GDP，在劳务市场请保姆做家务计入GDP. A: 正确 B: 错误

Because of the multiplier, a one-time change in expenditure will (由于乘数，一次性支出变动将会变化——中文由在线翻译而来，仅供参考) A: have little secondary effect on real GDP.对实际GDP几乎没有二次影响。 B: expand real GDP by an infinite amount.扩大实际国内生产总值无限量。 C: generate more additional real GDP than the initial change in expenditure.比起最初的支出变化产生更多的实际GDP。 D: decrease saving and investment activity and thereby decrease future real GDP.减少储蓄和投资活动，从而减少未来实际GDP。

Last year China’s saving rate was 54 percent of GDP, according to China Daily. The U.S. rate, including households and corporations, was a mere 12 percent of GDP. What kind of statistics are used in the statement.

An analyst does research about factors affecting potential GDP. Which of the following will most likely increase potential GDP（） A: Increase the price level. B: Increase the human capital. C: Decrease money wage rate.