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【简答题】
已知消费函数为c=100+0.6y,投资函数为i=520-2r; 货币需求为L=0.2y-4r,货币供给为m=120(货币和收入单位均为亿元),求: (1)IS曲线方程 (2)LM曲线方程 (3)产品市场和货币市场同时均衡时的利率和国民收入 (4)如果自主投资由520增加至550,均衡国民收入如何变动?结论与乘数原理一致吗?请给出解释。
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举一反三
【单选题】He presented some complex ideas in a(n) ______ way.
A.
critical
B.
effective
C.
essential
D.
revise
【简答题】What he said did make some sense, though it was not presented in the right way.
【单选题】Some unhappy rich folks are presented as examples to______.
A.
reveal that rich people often lie to the public
B.
illustrate further that money can buy happiness
C.
show richness does not necessarily make people happy
D.
show rich people are less happy than poor ones
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