[作業] 總經達人請進
是我的小考 但考完了老師都不說答案@@
1) suppose the economy's production function is Y=A* K的0.3次方* N的0.7次方,
if K=2000 N=10 ,and A=1,then Y=246. if K and N both rise by 20%, and A is
unchanges, by how much does Y increase?
A) 5% B)20% C)10% D)15% (跪求算式)
2) if Y=A*N*(75+K/N), where K=1000, N=20,and A=10, whathappens if K doubles
and N doubles?
A) Y doubles B) Y quadruples C) Y increase 50% D) Y is unchanged
3) an economy has government purchases of 1000.desired national saving and
desired investment are given by
desired national saving=200 +5000r +0.10Y -0.20G
desired investment=1000 -4000r
when the full-employment level of output equals 5000, then the real
interest rate that clears the goods market will be
A) 16.67% B)1.11% C)5.56% D)21.11% (跪求算式~)
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