In the isoquant/isocost diagram to the right, suppose that the firm is producing 1,000 units of output at point A using 100 units of labor and 200 units of capital. As an outside consultant, what actions would you suggest to management to improve profits? The firm can cut costs by hiring more and less Units of capital (K) 300 250- A 200- 150- 100- 50- B q=1,000 0 50 100 150 200 Units of labor (L) 250 300 a

In the isoquant/isocost diagram to the right, suppose that the firm is producing 1,000 units of output at point A using 100 units of labor and 200 units of capital. As an outside consultant, what actions would you suggest to management to improve profits? The firm can cut costs by hiring more and less Units of capital (K) 300 250- A 200- 150- 100- 50- B q=1,000 0 50 100 150 200 Units of labor (L) 250 300 a

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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The following table shows the capital and labor requirements for 10 different levels of production. Assuming that the price of labor (PL) is $8 per unit and the price of capital (PK) is $6 per unit, compute and graph total cost, marginal cost, and average cost for the firm. To do this, fill in the total cost for each output level in the table below. (Enter your responses as whole numbers.) 9 0 1 2 3 4 5 6 7 8 9 10 K 0 20 20 20 20 20 20 20 20 20 20 L 0 3 7 10 13 17 23 31 41 53 67 TC 0 Cost per unit ($) 0 1 2 3 4 5 6 7 8 9 10 11 12 Units of output Q ✔
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a. A firm's long-run total cost can be written as LTC = 3000Q - 50Q2 + (1/3)Q3 and its long-run marginal cost by LMC = 3000 - 100Q + Q2. Find the range over which the firm will experience economies of scale. Explain your answer. b. A firm has a production function of Q = K * L + L, where the marginal product of labor is MPL = K + 1 and the marginal product of capital is MPK = L. The wage rate (W) is $100 per worker and the rental price (R) is $100 per unit of capital. In the short-run, capital (K) is fixed at 4. Find the minimum total cost of production in the short- and long-run if the firm produces 100 units of output.
Provide a diagram that illustrates, for the short-run analysis, the average cost function, the marginal cost function, the average variable cost function and the variable cost function. Provide clear explanations for why these functions have common points of intersection.
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