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Author Question: To study a macroeconomy, we calculate aggregate quantities in real terms because A) we want to ... (Read 46 times)

V@ndy87

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on: Jun 30, 2018
To study a macroeconomy, we calculate aggregate quantities in real terms because
 
  A) we want to get rid of the illusion of price effects.
  B) we want to concentrate on the production of real goods, as opposed to services.
  C) it is then easier to take logarithms.
  D) it is the only way to reconcile the three approaches to measuring GDP.

Question 2

Given the production function Y = A , if the rental price of capital is 0.133, Y = 690, and K = 1,728, what is the value of the exponent ? If A = 1, and the real wage is 1.15, is this economy in a long-run equilibrium?
 
  What will be an ideal response?


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alexanderhamilton

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Reply #1 on: Jun 30, 2018
Answer to Question 1

A

Answer to Question 2

Since the rental price of capital equals the marginal product of capital, we have 0.133 = , so  = one-third. If A = 1, we have 690 = 12  , so L = 436. Then the real wage is = 1.06  1.15. This is not a long-run equilibrium. Equivalently, if the equilibrium real wage is 1.15, L must satisfy 1.15 = , so L = 400. Then Y = 12  = 651.3  690. This is not a long-run equilibrium. (If the real wage remains 1.15, the quantity demanded of labor will fall to 400. Then, the excess supply of labor will force the real wage to decline to the market equilibrium value of 1.06.)


V@ndy87

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Reply #2 on: Jun 30, 2018
Thank you :)


alexanderhamilton

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Reply #3 on: Jun 30, 2018
Happy to help you


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