Consider the production functions of three different Firms utilizing inputs labor (L) and capital (K) in producing goods X, Y, and Z given below. The three firms face the same fixed price for labor and capital at 5 per unit and 10 per unit, respectively. X = KL2 – L3; Y = 10K1.5L0.5; Z = K0.5L0.5 C = wL + rK Using Lagrange Multiplier Method, calculate the cost-minimizing values of L, K, and C of Firm Y if it decides to produce 1,000 units of good Y. Graphically illustrate the expansion path of Firm Y if it decides to double its target output Derive the short-run cost function of Firm Z if 25 units of capital are employed. Suppose that good Z is sold at a perfectly competitive price of 10 per unit, calculate Firm Z’s profit and discuss if the Firm Z should continue to operate
Consider the production functions of three different Firms utilizing inputs labor (L) and capital (K) in producing goods X, Y, and Z given below. The three firms face the same fixed price for labor and capital at 5 per unit and 10 per unit, respectively. X = KL2 – L3; Y = 10K1.5L0.5; Z = K0.5L0.5 C = wL + rK Using Lagrange Multiplier Method, calculate the cost-minimizing values of L, K, and C of Firm Y if it decides to produce 1,000 units of good Y. Graphically illustrate the expansion path of Firm Y if it decides to double its target output Derive the short-run cost function of Firm Z if 25 units of capital are employed. Suppose that good Z is sold at a perfectly competitive price of 10 per unit, calculate Firm Z’s profit and discuss if the Firm Z should continue to operate
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Consider the production functions of three different Firms utilizing inputs labor (L) and capital (K) in producing goods X, Y, and Z given below. The three firms face the same fixed price for labor and capital at 5 per unit and 10 per unit, respectively.
X = KL2 – L3; Y = 10K1.5L0.5; Z = K0.5L0.5
C = wL + rK
- Using Lagrange Multiplier Method, calculate the cost-minimizing values of L, K, and C of Firm Y if it decides to produce 1,000 units of good Y. Graphically illustrate the expansion path of Firm Y if it decides to double its target output
- Derive the short-run cost function of Firm Z if 25 units of capital are employed. Suppose that good Z is sold at a
perfectly competitive price of 10 per unit, calculate Firm Z’s profit and discuss if the Firm Z should continue to operate - Derive the long-run cost function of Firm Y
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