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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
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。
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
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。
如果结果不匹配，请 联系老师 获取答案
更多“在新古典增长模型中，人均生产函数为y=f（k)=2k-0.5…”相关的问题
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：
在新古典增长模型中，总量生产函数为
(1)求稳态时的人均资本量和人均产量；
(2)用这一模型解释“为什么我们如此富裕，而他们那么贫穷”；
(3)求出与黄金律相对应的储蓄率。
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.
果生产大米的话，A国的人均产量是10吨，B国则是16吨。画出两国的生产可能性曲线，并分析两国中哪一国拥有生产大米的绝对优势？哪一国拥有生产大米的比较优势？
A.实际增长率等于有保证的增长率，又等于自然增长率
B.产量正好用来满足新增加的人口
C.人口的增长率等于零
D.整个社会的积累正好用于装备新增加的人口
下面的问题详细地分析教材中介绍的两部门内生增长模型。
a．用效率工人的人均产出和效率工人的人均资本重新求出制成品的生产函数。
b．在这个经济中，收支相抵的投资(保持效率工人人均资本量不变所需要的投资量)是多少？
c．求出k变动的公式，该公式表示△k是储蓄减收支相抵的投资。用这个式子画出一个表示稳定状态k的决定的图形。(提示：这个图看起来很像我们在分析索洛模型时所用过的图。)
d．在这个经济中，稳定状态的人均产出Y/L增长率是多少？储蓄率s和在大学中的劳动力比例u如何影响这一稳定状态增长率？
e．用你的图说明u的提高的影响。(提示：这种变动对两条曲线都产生影响。)
f．根据你的分析，u的提高对经济肯定是一件好事吗？并解释。
This question asks you to analyze in more detail the two-sector endogenous growth model presented in the text.
a．Rewrite the production function for manufactured goods in terms of output per effective worker and capital per effective worker.
b．In this economy, what is break-even investment (the amount of investment needed to keep capital per effective worker constant)？
c．Write down the equation of motion for k. which shows △k as saving minus break-even investment, Use this equation to draw a graph showing the determination of steady-state k. (Hint: This graph will look much like those we used to analyze the Solow model.)
d．In this economy, what is the steady-state growth rate of output per worker Y/L？ How do the saving rate s and the fraction of the labor force in universities u affect this steadystate growth rate？
e．Using your graph, show the impact of an increase in u. (Hint: This change affects both curves.) Describe both the immediate and the steady-state effects.
f．Based on your analysis, is an increase in u an unambiguously good thing for the economy？ Explain.
A国与B国的生产函数都是：
Y=F(K，L)=K1/2L1/2
a．这个生产函数是规模收益不变吗？请解释。
b．人均生产函数y=f(k)是什么？
c．假设没有一个国家经历了人口增长或技术进步，并且资本折旧为每年5%。再假设A国每年储蓄为产出的10%，而B国每年储蓄为产出的20%。用你对(b)的答案和投资等于折旧的稳定状态条件，找出每个国家稳定状态的人均资本水平。然后找出稳定状态的人均收入水平和人均消费水平。
d．假定两国都从人均资本存量为2开始。人均收入水平和人均消费水平是多少？记住资本存量的变动是投资减折旧，用计算器来计算这两个国家的人均资本存量随时间推移将如何变动。计算每一年的人均收入和人均消费。B国的消费会在多少年后高于A国的消费？
Country A and country B both have the production function Y=F(K，L)=K1/2L1/2.
a．Does this production function have constant returns to scale？ Explain.
b．What is the per-worker production function，y=f(k)？
c．Assume that neither country experiences population growth or technological progress and that 5 percent of capital depreciates each year. Assume further that country A saves 10 percent of output each year and country B saves 20 percent of output each year. Using your answer from part (b) and the steady-state condition that investment equals depreciation, find the steady-state level of capital per worker for each country. Then find the steady-state levels of income per worker and consumption per worker.
d．Suppose that both countries start off with a capital stock per worker of 2. What are the levels of income per worker and consumption per worker？ Remembering that the change in the capital stock is investment less depreciation, use a calculator to show how the capital stock per worker will evolve over time in both countries. For each year, calculate income per worker and consumption per worker. How many years will it be before the consumption in country B is higher than the consumption in country A？
