For the following 5 questions, use the simple Solow model where
For all questions assume the rate of depreciation on capital, δ=0.04. Use the other parameters given to answer the question, with the noted abbreviations:
Share of income paid to capital, α
Rate of savings, s
Rate of population growth, n
1.
For the following parameter values determine the steady-state consumption
=.5
=.2
=.02
2.
For the following parameter values determine the steady-state k*
α=.5
s=.1
n=.03
3.
For the following parameter values determine the steady-state y*
α=.5
s=.3
n=.02
4.
For the following parameter values determine the rental rate paid to capital at the steady-state y*
α=.6
s=.3
n=.01
5.
For the following parameter values determine the wage at the steady-state y*
α=.4
s=.2
n=0
At steady-state, sk* = (δ+n)k*
k* = [s/(δ+n)](1/1-)
y* = [s/(δ+n)](/1-)
c* = (1-s)/[(s/δ+n)]
1. Given the values, steady-state consumption, c* = (1-0.2)/[(0.2/0.04+0.02)] = 0.24
2. steady-state capital, k* = [0.1/(0.04+0.03)]1/0.5 = 100/49 = 2.04
3. steady-state income, y* = [0.3/(0.04+0.02)]0.6/0.4 = 53/2 = 11.18
4. The real rental price of capital equals the marginal product of capital (MPK) in the steady state. And MPK = (δ+n) = (0.04 + 0.01) = 0.05.
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