1. (The AK Model) Consider an economy with an aggregate production function given by y =...
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1. (The AK Model) Consider an economy with an aggregate production function given by Y = F(K) = AK Capital is the only relevant factor of production. A is fixed and represents the productivity of capital. T he law of motion for capital is just as in the neoclassical model where s and δ are the savings rate and depreciation rate, respectively. a) Show whether F(K) exhibits constant, decreasing...
1. (The AK Model) Consider an economy with an aggregate production function given by Y=F(K) = AK of capital. The law of motion for capital is just as in the neoclassical model where s and δ are the savings rate and depreciation rate, respectively. a) Show whether F(K) exhibits constant, decreasing or increasing returns to scale. Com pute the marginal product of capital. Does this function satisly the neoclassical assumptions?
3. (Steady state in the Solow model) Consider two economies identical in everything except the production function. Economy 1 has a production function F(K, L)KoL1-a, economy 2 has a production function G(K, L)-aK(1-a)L. For both economies capital grows according to (1). a) Write output per worker as a function of capital per worker for both economies. b) Compute the steady state value of capital per worker for both these economies or, if it does not exist, show graphically that it...
3 Growth Model Suppose that output (Y) in an economy is given by the following aggregate production function: Y = K + NE where Kt is capital and Nt is the population. Furthermore, assume that capital depreciates at rate 8 and that savings is a constant proportion s of income. You may assume that 8 > S. 1. Suppose that the population remains constant. Solve for the steady-state level of capital per worker. 2. Now suppose that the population grows...
Consider the Solow growth model. Output at time t is given by the production function Yt = AK 1 3 t L 2 3 where Kt is total capital at time t, L is the labour force and A is total factor productivity. The labour force and total factor productivity are constant over time and capital evolves according the transition equation Kt+1 = (1 − d) ∗ Kt + It , where d is the depreciation rate. Every person saves...
2 Endogenous Growth Theory (5 marks) In the AK model with production function Y = AK. Assume g- is fixed. The saving rate is s and the depreciate rate of capital of. = 0 and p a. What is the growth rate of capital (K) and output (Y)? b. Under what conditions can the economy experience perpetual (positive) growth? c. What is the key factor that drives the perpetual growth? Explain the intuition. (hint: compare the AK model with the...
Consider the Solow growth model. Output at time t is given by the production function Y-AK3 Lš where K, is total capital at time t, L is the labour force and A is total factor productivity. The labour force and total factor productivity are constant over time and capital evolves according the transition equation KH = (1-d) * Kit It: where d is the depreciation rate. Every person saves share s of his income and, therefore, aggregate saving is St-s...
15. Consider an economy, with a production function given by Y-AK03L07. This economy's annual GDP growth rate is 5%. Also assume that L and Kare both growing at annual rates of 2%. Calculate the growth rate of total factor productivity for this economy. a. 2.0% b. 3.0% 4.0% c. d. 5.0% 16. Suppose output is determined by a Cobb-Douglas production function Y=AK L1 Where 0ca<1. If total factor productivity (A) remains constant, but labour (L) and capital (K) inputs both...
3. (Steady state in the Solow model) Consider two economies identical in everything except the production function. Economy 1 has a production function \(F(K, L)=K^{\alpha} L^{1-\alpha}\), economy 2 has a production function \(G(K, L)=\alpha K+(1-\alpha) L\). For both economies capital grows according to (1).a) Write output per worker as a function of capital per worker for both economies.b) Compute the steady state value of capital per worker for both these economies or, if it does not exist, show graphically that...
Consider the Solow growth model. The production function is given by Y = K αN1−α , with α = 1/3. Depreciation rate δ = 0.05, and saving rate s = 0.25. Labor force grows at the rate n = 0.01. (a) Write down the law of motion for capital per worker. (b) Compute steady state capital per worker. (c) Suppose the economy has initial capital per worker k0 = 4. Describe the dynamics of this economy, i.e., how does capital...