Consider an infinitely-lived firm that chooses investment and capital to maximize lifetime profits. The firm has...
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Consider an infinitely-lived firm that chooses investment and capital to maximize lifetime profits. The firm has the following production function: f(kx) = k Output and investment have unit prices, but non-zero investment also incurs a cost C(1₂) = (1-6k,)². Capital depreciates at rate and so has the following law of motion: k₁+1=It + (1-6) k₂ Assume future profits are discounted using the fixed interest rate r. (a) Setup the firm's Lagrangian function. Derive and interpret the two first-order conditions. (b) Find expressions for the steady state levels of q and k. Plot these expressions in {k, q} space. (c) Show the effect on your plot from part (b) of an increase in the depreciation rate, 6. (d) Now suppose that 6 increases from 0.1 to 0.2. If r = 0.02 and a = 0.3, solve for the steady state levels of k and q for both values of 6. (e) Will the economy transition to the new steady state in one period? How do you know? (5) Consider an infinitely-lived firm that chooses investment and capital to maximize lifetime profits. The firm has the following production function: f(kx) = k Output and investment have unit prices, but non-zero investment also incurs a cost C(1₂) = (1-6k,)². Capital depreciates at rate and so has the following law of motion: k₁+1=It + (1-6) k₂ Assume future profits are discounted using the fixed interest rate r. (a) Setup the firm's Lagrangian function. Derive and interpret the two first-order conditions. (b) Find expressions for the steady state levels of q and k. Plot these expressions in {k, q} space. (c) Show the effect on your plot from part (b) of an increase in the depreciation rate, 6. (d) Now suppose that 6 increases from 0.1 to 0.2. If r = 0.02 and a = 0.3, solve for the steady state levels of k and q for both values of 6. (e) Will the economy transition to the new steady state in one period? How do you know? (5)
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a Column 1 and 2 are regressions where the unit of observation is circle the correct 5pts a The Iddir group b Consider column 2 What is the dependent ... View the full answer
Related Book For
Accounting
ISBN: 978-0324662962
23rd Edition
Authors: Jonathan E. Duchac, James M. Reeve, Carl S. Warren
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