Suppose that a certain factory output is given by the Cobb-Douglas production function Q(K, L) = 60K¹/312/3 units, where K is the level of capital and L the size of the labor force need to maximize the factory's output. (a) Determine whether the Cobb-Douglas production function is concave, convex, strictly concave, strictly convex or neither. If a unit of labour costs $100, unit of capital $200, and $200,000 is budgeted for production (b) Formulate the problem as a constrained optimization problem.

Managerial Economics: Applications, Strategies and Tactics (MindTap Course List)
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Author:James R. McGuigan, R. Charles Moyer, Frederick H.deB. Harris
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Chapter7: Production Economics
Section: Chapter Questions
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Suppose that a certain factory output is given by the Cobb-Douglas production function
Q(K,L) = 60K¹/312/3 units, where K is the level of capital and L the size of the labor force
need to maximize the factory's output.
(a) Determine whether the Cobb-Douglas production function is concave, convex,
strictly concave, strictly convex or neither.
If a unit of labour costs $100, unit of capital $200, and $200,000 is budgeted for production
(b) Formulate the problem as a constrained optimization problem.
(c) Write down the Lagrange function.
(d) Write down the first-order conditions.
(e) Determine how many units should be expended on labour and how many units
should be expended on capital in order to maximize production.
(f) What is the maximum production level?
(g) Use the bordered Hessian to prove that the level of production is indeed maximized.
Transcribed Image Text:Suppose that a certain factory output is given by the Cobb-Douglas production function Q(K,L) = 60K¹/312/3 units, where K is the level of capital and L the size of the labor force need to maximize the factory's output. (a) Determine whether the Cobb-Douglas production function is concave, convex, strictly concave, strictly convex or neither. If a unit of labour costs $100, unit of capital $200, and $200,000 is budgeted for production (b) Formulate the problem as a constrained optimization problem. (c) Write down the Lagrange function. (d) Write down the first-order conditions. (e) Determine how many units should be expended on labour and how many units should be expended on capital in order to maximize production. (f) What is the maximum production level? (g) Use the bordered Hessian to prove that the level of production is indeed maximized.
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