Consider a Solow economy where the technology is Cobb-Douglas and takes the form of Y₁ = A₁K¹²¯º Nê, the saving rate is constant at s, the population growth rate is constant 1-0 at n, and assume that the technology coefficient A₁ = A for all t. The aggregate capital law of motion is K₁ = It - 8Kt. (a) (b) (c) Write down the fundamental growth equation of the Solow model in terms of the capital evolution per person. Use the fundamental equation to solve for the steady state capital per person. And compute the marginal product of capital. Consider the following three cases. Describe how the changes affect the break- even curve and the actual investment curve in the baseline diagram for the Solow model (corresponding to the fundamental growth equation) 1) The population growth rate falls 2) The depreciation rate rises 3) The capital share in the production function, 1 – 0, rises (d) Solve for the optimal capital and consumption per person under the golden-rule. What saving rate is needed to yield the golden-rule capital stock?
Consider a Solow economy where the technology is Cobb-Douglas and takes the form of Y₁ = A₁K¹²¯º Nê, the saving rate is constant at s, the population growth rate is constant 1-0 at n, and assume that the technology coefficient A₁ = A for all t. The aggregate capital law of motion is K₁ = It - 8Kt. (a) (b) (c) Write down the fundamental growth equation of the Solow model in terms of the capital evolution per person. Use the fundamental equation to solve for the steady state capital per person. And compute the marginal product of capital. Consider the following three cases. Describe how the changes affect the break- even curve and the actual investment curve in the baseline diagram for the Solow model (corresponding to the fundamental growth equation) 1) The population growth rate falls 2) The depreciation rate rises 3) The capital share in the production function, 1 – 0, rises (d) Solve for the optimal capital and consumption per person under the golden-rule. What saving rate is needed to yield the golden-rule capital stock?
Chapter20: Economic Growth In The Global Economy
Section: Chapter Questions
Problem 5P
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Step 1: State the given information
VIEWStep 2: Write down the per capita form of the fundamental growth equation
VIEWStep 3: Find steady state capital person and MPC
VIEWStep 4: Analyze the effects of the following factors on the breakeven and actual investment curves
VIEWStep 5: Find the optimal capital and consumption per person under the golden-rule
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