Reference no: EM131165648
1) Consider the following production function: Y = 9K1/3L2/3, where the level of capital in the economy is 1000 and the level of labor in the economy is 1000.
Compute the equilibrium real wage and real rental rate on capital.
Compute the total payments to labor and that to owners of capital.
Show that Euler's theorem holds here, that the sum of total payments to labor and capital equals total production.
What fraction of total production goes to paying labor; what fraction toward paying capital? Do you see a shortcut to get these shares by looking at the production function?
Suppose that an increase in immigration into the U.S. increases the U.S. labor force.
Discuss the effect on the real wage and the real rental price of capital. Would workers currently in the U.S. be happy about the immigration? How about owners of U.S. factories
2) The Congress wish to cut taxes. Suppose you are a policy analyst working for the Congressional Budget Office, and it is your job to analyze the macroeconomic effects of a permanent tax cut. Suppose you have worked out the following very simplified model to characterize basic features of the U.S. economy:
Y = 4K + 5L, and L= 800
G = 3000 T = 3000
I = 2000 - 6000r C = 600 + .6(Y-T)
a) First find the equilibrium levels of the interest rate, investment and consumption for the economy described for the equations above. (Assume a closed economy: Y = C + I + G).
b) Discuss the effects on the economy of lowering the level of T by 10%. You should compute the new equilibrium values of the interest rate, consumption and investment. By how much would investment be crowded out by the tax cut?
c) Discuss briefly the intuition for why the investment equation above includes the interest rate with a negative sign. Discuss how it might be sensible for consumption to be negatively affected by the interest rate in a way similar to investment. If consumption did behave this way, use your intuition and economic reasoning to make an educated guess about how it would affect the degree to which the tax cut crowds out investment: more, less or the same. Explain your reasoning.
d) Test your guess above by trying the following example: C = 600 + .6(Y-T) - 3000r, where you keep the other equations in the model the same as in part (b) above. Compute the equilibrium value of investment before and after the tax cut, and compare the amount by which investment is crowded out to what you found in part (b).
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: Show that Euler's theorem holds here, that the sum of total payments to labor and capital equals total production.
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