Question
I need help with understanding the five periods of a Solow model with labor augmenting productivity (Z) growth. The savings rate is 12%, and the
I need help with understanding the five periods of a Solow model with labor augmenting productivity (Z) growth. The savings rate is 12%, and the depreciation rate is 50%. The population is fixed (so N=1) and start with 1 unit of capital, and TFP = Z = 1 during the first period. Since TFP and population never change, output each period is created this way: Yt = Kt(1/3)Zt(2/3)
Consider two worlds:
1. Labor augmenting productivity (Z) grows 20% per period, and
2. Where labor augmenting productivity (Z) grows 10% per period.
Answer the following questions for each of the two worlds:
a. What is capital each year, in years 1-5?
b. What is GDP each year, in years 1-5?
c. What is the marginal product of capital each year (MPK) in years 1-5?
d. What is the wage in each period?
e. In steady state, what will MPK be?
f. In steady state, what will the market interest rate, MPK - (depreciation rate) be?
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