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汽车专卖店经理考虑设计新的奖金计划增加销售量。现在每月汽车的销售量平均为14。经理希望通过研究知道新的奖金激励机制是否能真的提高销售量。 1、建立符合经理希望的假设 2、什么样的结论会拒接原假设 3、什么样的结论会接受原假设
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【单选题】Suppose that the marginal propensity to consume is 0.8, and investment spending increases by $100 billion. The increase in aggregate demand is:
A.
$100 billion, the amount of investment spending.
B.
$125 billion, composed of $100 billion in investment spending and $25 billion in consumption.
C.
$80 billion, composed of $100 billion in investment spending and a decrease in consumption of $20 billion.
D.
$500 billion, composed of $100 billion in investment spending and $400 billion in consumption.
【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
ositively related to government spending.
D.
negatively related to the exchange rate.
【单选题】The savings–investment spending identity says that:
A.
each person in the economy must invest as much as he or she saves.
B.
savings and investment spending are always equal for the economy as a whole.
C.
savings must equal government investment for the economy as a whole.
D.
each person in the economy must save as much as he or she invests.
【单选题】According to the savings–investment spending identity:
A.
savings and investment spending are always equal for the economy as a whole.
B.
for long-run economic growth savings must be more than investment spending.
C.
for long-run economic growth savings must be less than investment spending.
D.
the identity of savers and investors is important for encouraging long-run economic growth.
【单选题】单项数列中,某组的向上累计次数是 80,这表示总体中( )
A.
低于该组标志值的单位有 80个
B.
等于该组标志值的单位有 80个
C.
等于和低于该组标志值的单位有 80个
D.
高于该组标志值的单位有 80个
【单选题】According to the author, investment spending at last may result in ______.
A.
decrease of salaries
B.
lower living qualities
C.
higher standard of living
D.
reduction in consumer spending
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