1(b) Assume that the production function for an economy in the Solow Growth Model is given by: 2/3 Y = K 1/3 (L x E) ² (where Y = Total output; K = Capital stock; L = Labour force; E = advances in technology, which are measure as improvements in the efficiency of labour). The savings rate in the economy is 0.4, the depreciatio rate is 0.1, the growth in the labour force is 0.05 and technology advances at a rate of 0.05 (each of these

1(b) Assume that the production function for an economy in the Solow Growth Model is given by: 2/3 Y = K 1/3 (L x E) ² (where Y = Total output; K = Capital stock; L = Labour force; E = advances in technology, which are measure as improvements in the efficiency of labour). The savings rate in the economy is 0.4, the depreciatio rate is 0.1, the growth in the labour force is 0.05 and technology advances at a rate of 0.05 (each of these

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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1. In the Solow model, if investment (I=sY) is lower than depreciation (dK), then…. A. Depreciation (dK) in the following period will be higher than in the current period. B. Capital stock (K) in the following period will be lower than in the current period. C. Per-capita GDP (y) in the following period will be the same as in the current period. D. Overall GDP (Y) in the following period will be higher than in the current period. The answer is B - - Can you show work for it, graph the representation for it
Question 3 Consider the steady state of the Solow model with population growth and technological progress. (a) Use a graph to show what happens to steady-state capital per effective worker and output per effective worker in response to a decrease in the depreciation rate (?). Explain your answer. (b) Use a graph to show what happens to steady-state capital per effective worker and output per effective worker in response to a decrease in the population growth rate (?). Explain your answer. (c) Briefly explain any differences between the growth rate of output per worker (?⁄?) in the steady state when comparing your answers to parts (a) and (b). Define the steady state.
Please aid in answering the underlined questions in BOLD Question 4:a. Identify two assumptions of the basic Solow Growth Model. b. Why are these assumptions important in supporting the Solow Model? c. You are given the following information about an economy.Y = C + IY = F(K, L)The aggregate production function for this economy exhibits constant returns to scale and the marginal products of labor and capital are both subject to diminishing returns.s = saving rate (assume this is constant) per yearδ= depreciation rate (assume this is a constant) per yeary = Y/Lk = K/Lk* = steady state of capital per worker (K/L) and sf(k) < δk.i. What is sf(k)? ii. What is δk?iii. Interpret the meaning of sf(k) < δk? iv. Graphically illustrate sf(k), δk, and k*. Indicate on your graph where sf(k) < δk.v. Explain what happens in this economy when sf(k) < δk.
Identify two assumptions of the basic Solow Growth Model. b. Why are these assumptions important in supporting the Solow Model? c. You are given the following information about an economy.Y = C + IY = F(K, L) The aggregate production function for this economy exhibits constant returns to scale and the marginal products of labor and capital are both subject to diminishing returns.s = saving rate (assume this is constant) per yearδ= depreciation rate (assume this is a constant) per yeary = Y/Lk = K/Lk* = steady state of capital per worker (K/L) and sf(k) < δk.i. What is sf(k)? ii. What is δk? iii. Interpret the meaning of sf(k) < δk? iv. Graphically illustrate sf(k), δk, and k*. Indicate on your graph where sf(k) < δk. v. Explain what happens in this economy when sf(k) < δk.
Consider the Solow model with a production function Y(t) = A*K(t)^α*L(t)^(1-α), Where A is a fixed technological parameter. Explicitly solve for the steady-state value of the per capita capital stock and per capita income. How do these values change in response to a rise in (a) the technological parameter A, (b) the rate of saving s, (c) α , (d) δ, the depreciation rate, and (e) the population growth rate n?
Consider the Solow model with a production function Y(t) = A*K(t)αL(t)1-α, Where A is a fixed technological parameter. Explicitly solve for the steady-state value of the per capita capital stock and per capita income. How do these values change in response to a rise in (a) the technological parameter A, (b) the rate of saving s, (c) α , (d) δ, the depreciation rate, and the population growth rate n?
4.The Solow growth model differs from the Harrod-Domar because: a.Assumes that depreciation rate and population growth are exogenous b.Assumes that the rate of technological progress varies from country to country. c.Predicts that permanent growth is achievable only through technological progress d.Predicts that poorer countries will grow faster than richer countries.
Consider the continuous-time Solow growth model as discussed in the lecture. The economy is on its balanced growth path with labor augmenting technological progress at rate g and population growth at rate n. The depreciation rate is 8. (a) Derive the dynamic equation of aggregate capital K. (b) Normalize the aggregate capital K by technology A and population L and denote the capital per unit of effective labor as k = K/(AL). Derive the dynamic equation of k .(c) Use the phase diagram to illustrate the steady state level of k and the dynamics of k if k starts from a level lower than the steady state level. (d) Suppose that the economy is on its balanced growth path at time to. Unex- pectedly, the population growth rate drops down to n' <n at to, stays at n' until t1, and resumes to n after t1. How does k respond, between to and t1, and afterwards?
Suppose a Solow economy is initially at its steady state k∗, and suddenly is hit by a decrease in the depreciation rate δ, from δ to δ1. This change does not alter any of the other exogenous parameters in the model Depict this situation in a graph What happens to steady state level of capital per capita in this situation? What happens to the level of capital per capita over time? Depict this in a graph and explain intuitively.
Consider the following Solow growth model in which households save a constant fraction of their income. Let N be the population (also the labor force) in the current period. Assume that the population follows N′ = (1+n)N where N′ is the population in the future period, and n is the net population growth rate. Assume that the output is produced according to the production function Y = zF(K, N), where z is the total factor productivity, K is capital stock, and F(K, N) exhibits constant returns to scale. Capital depreciates at the rate d where 0 < d < 1. The capital stock changes over time according to K′ = (1 − d)K + I where I is the investment level. (a) Derive the equation that determines the future capital-per-worker in competitive equilibrium. Here is some additional information for parts (5b), (5c), and (5d). Suppose that the economy is initially in steady state, and experiences a natural disaster (e.g. the recent quake and tsunami in Japan in 2011) that destroys some of the…
Which of the following is an incorrect statement about the variable ‘s’ in the Solow Growth Model? a.s is the fraction of income that is saved b.s is an exogenous factor c.s is referred to as saving per worker d.s determines how income is allocated between consumption and investment
In a Solow growth model with population growth but no technological change, show graphically that an increase in the rate of depreciation will reduce the steady-state value of capital per worker and output per worker. It is reasonable to expect that depreciation rates differ across countries? Why or why not? Please be specific.