索洛模型预测,人口增长率较高的国家将有()。A.较低的稳态人均产量B.较低的稳态人均增长率C.A和B
索洛模型预测,人口增长率较高的国家将有()。
A.较低的稳态人均产量
B.较低的稳态人均增长率
C.A和B
D.较高的稳态人均增长率
索洛模型预测,人口增长率较高的国家将有()。
A.较低的稳态人均产量
B.较低的稳态人均增长率
C.A和B
D.较高的稳态人均增长率
在索洛模型中,什么因素决定了稳定状态的人均收入增长率?
In the Solow model, what determines the steady-state rate of growth of income per worker?
In the Solow model, population growth leads to steady-state growth in total output, but not in output per worker. Do you think this would still be true if the production function exhibited increasing or decreasing returns to scale? Explain.
在新古典增长模型中,人均生产函数为y=f(k)=2k-0.5k2
人均储蓄率为0.3,人口增长率为0.03,求:
在新古典增长模型中,人均生产函数为y=f(k)=2k-0.5k2,人均储蓄率为0.3,人口增长率为3%,求:
(1)使经济均衡增长的k值;
(2)与黄金分割律相对应的人均资本量。
在新古典增长模型中,已知生产函数为y=2k-0.5k2,y为人均产出,k为人均资本,储蓄率s=0.1。人口增长率n=0.05,资本折旧率δ=0.05。试求:
(1)如果本国有1200单位劳动和2000单位土地,外国有400单位劳动和500单位土地,根据赫克歇尔一俄林理论,这两个国家将有什么样的贸易模式?
(2)在何种情况下,现实世界中的贸易模式会不同于赫克歇尔一俄林理论的预测?
考虑失业会如何影响索洛增长模型。假定产出是根据生产函数Y=Ka[(1-u<sup>*</sup>)L]1-a而生产的。式中,K为资本;L为劳动;u<sup>*</sup>为自然失业率。国民储蓄率为s,劳动力增长率为n。资本折旧率为δ。
a.把人均产出(y=Y/L)表示为人均资本(k=K/L)和自然失业率的函数。描述该经济的稳定状态。
b.假定政府政策的某些变化降低了自然失业率。描述这一变化随时间的推进如何影响产出。对产出的稳定状态的影响大于还是小于立即的影响?请解释。
Consider how unemployment would affect the Solow growth model. Suppose that output is produced according to the production function Y=Kα[(1-u<sup>*</sup>)L]1-α,where K is capital, L is the labor force, and u<sup>*</sup> is the natural rate of unemployment. The national saving rate is s, the labor force grows at rate n, and capital depreciates at rate δ.
a.Express output per worker (y=Y/L) as a function of capital per worker (k=K/L) and the natural rate of unemployment. Describe the steady state of this economy.
b.Suppose that some change in government policy reduces the natural rate of unemployment. Describe how this change affects output both immediately and over time. Is the steady-state effect on output larger or smaller than the immediate effect? Explain.
考虑失业会如何影响索洛增长模型。假定产出是根据生产函数Y=Ka[(1-u<sup>*</sup>)L]1-a而生产的。式中,K为资本;L为劳动;u*为自然失业率。国民储蓄率为s,劳动力增长率为n。资本折旧率为δ。
a.把人均产出(y=Y/L)表示为人均资本(k=K/L)和自然失业率的函数。描述该经济的稳定状态。
b.假定政府政策的某些变化降低了自然失业率。描述这一变化随时间的推进如何影响产出。对产出的稳定状态的影响大于还是小于立即的影响?请解释。
Consider how unemployment would affect the Solow growth model. Suppose that output is produced according to the production function Y=Kα[(1-u<sup>*</sup>)L]1-α,where K is capital, L is the labor force, and u*is the natural rate of unemployment. The national saving rate is s, the labor force grows at rate n, and capital depreciates at rate δ.
a.Express output per worker (y=Y/L) as a function of capital per worker (k=K/L) and the natural rate of unemployment. Describe the steady state of this economy.
b.Suppose that some change in government policy reduces the natural rate of unemployment. Describe how this change affects output both immediately and over time. Is the steady-state effect on output larger or smaller than the immediate effect? Explain.
一个企业集团预测下一年将有30辆汽车发生物质损失(损失频率),损失的平均成本预测为5000元,则年总成本预计(损失程度)为()元
A.75000
B.150000
C.300000
D.450000