Consider a numerical example for the firm's profit maximization problem. Suppose that the firm's production function is y = lnK + lnN. The firm's initial capital is K = 3. The current period wage rate is w = 0.1, and the future period wage rate is w' = 0.1. The depreciation rate is d = 0.2, and the market real interest rate is r = 0.05. The firm can sell leftover undepreciated capital in the future period at a price 1 (as in class). (a) Write down the firm's optimization problem. Take the first order conditions with respect to the first period labor N, the future period labor N' and the future period capital K' and obtain values for firm's optimal choices of N, N', K’, and investment I. Compute profit today and tomorrow, n and t', and the value of the firm, V. (b) Now suppose that the real interest rate decreases from r = 0.05 to rnew = 0.01. Compute the new optimal levels of investment Inew and capital Khow and use these values to compute the new value of the firm Vnew. Compare these values to the values obtained in part (a) and discuss any differences.
Consider a numerical example for the firm's profit maximization problem. Suppose that the firm's production function is y = lnK + lnN. The firm's initial capital is K = 3. The current period wage rate is w = 0.1, and the future period wage rate is w' = 0.1. The depreciation rate is d = 0.2, and the market real interest rate is r = 0.05. The firm can sell leftover undepreciated capital in the future period at a price 1 (as in class). (a) Write down the firm's optimization problem. Take the first order conditions with respect to the first period labor N, the future period labor N' and the future period capital K' and obtain values for firm's optimal choices of N, N', K’, and investment I. Compute profit today and tomorrow, n and t', and the value of the firm, V. (b) Now suppose that the real interest rate decreases from r = 0.05 to rnew = 0.01. Compute the new optimal levels of investment Inew and capital Khow and use these values to compute the new value of the firm Vnew. Compare these values to the values obtained in part (a) and discuss any differences.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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![1. Consider a numerical example for the firm's profit maximization problem. Suppose that the firm's
production function is y = Ink + InN. The firm's initial capital is K = 3. The current period wage
rate is w = 0.1, and the future period wage rate is w' = 0.1. The depreciation rate is d = 0.2, and the
market real interest rate is r = 0.05. The firm can sell leftover undepreciated capital in the future
period at a price 1 (as in class).
(a) Write down the firm's optimization problem. Take the first order conditions with respect to
the first period labor N, the future period labor N' and the future period capital K' and obtain
values for firm's optimal choices of N, N', K', and investment I. Compute profit today and
tomorrow, n and nt', and the value of the firm, V.
(b) Now suppose that the real interest rate decreases from r = 0.05 to rnew = 0.01. Compute the
new optimal levels of investment Inew and capital Khew and use these values to compute the
new value of the firm Vhew. Compare these values to the values obtained in part (a) and
discuss any differences.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F67b979cc-bd76-4d69-9ab2-a4a09646b90a%2F257bd236-d7f3-41fc-a07d-c8c1d8023f45%2Ft9orwui_processed.png&w=3840&q=75)
Transcribed Image Text:1. Consider a numerical example for the firm's profit maximization problem. Suppose that the firm's
production function is y = Ink + InN. The firm's initial capital is K = 3. The current period wage
rate is w = 0.1, and the future period wage rate is w' = 0.1. The depreciation rate is d = 0.2, and the
market real interest rate is r = 0.05. The firm can sell leftover undepreciated capital in the future
period at a price 1 (as in class).
(a) Write down the firm's optimization problem. Take the first order conditions with respect to
the first period labor N, the future period labor N' and the future period capital K' and obtain
values for firm's optimal choices of N, N', K', and investment I. Compute profit today and
tomorrow, n and nt', and the value of the firm, V.
(b) Now suppose that the real interest rate decreases from r = 0.05 to rnew = 0.01. Compute the
new optimal levels of investment Inew and capital Khew and use these values to compute the
new value of the firm Vhew. Compare these values to the values obtained in part (a) and
discuss any differences.
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