Microeconomics (with Digital Assets, 2 terms (12 months) Printed Access Card) (MindTap Course List)
Microeconomics (with Digital Assets, 2 terms (12 months) Printed Access Card) (MindTap Course List)
12th Edition
ISBN: 9781285738352
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter 4.2, Problem 2ST
To determine

The shortages and long lines.

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Wolfgang is a typical producer in a perfectly competitive piano industry (i.e., all other producers of pianos face the same costs as Wolfgang). The following production and cost data apply to the long run as well as the short run. Fixed costs (rent) are unrecoverable in the short run and are equal to $2400 per month. Variable costs consist of raw materials (wire, wood, plastic), which cost $1000 per piano, and the $40 per hour opportunity cost of Wolfgang's time. Wolfgang's production function is given in the table at right. Wolfgang will shut down if the price per piano is less than OA. $3000. B. $4000. O C. $5000. ○ D. None of the above. Pianos (Q) Hours (L) Raw Materials ( 0 0 0 1 100 1000 2 150 2000 3 240 3000 4 400 4000
P2 P₁ $ per unit Using the graph below, determine which statement is TRUE. MC1 SRATC₁ Q1 Q₂ MC2 SRATC2 LRAC ✓ LEA Quantity
Using the grapns below, wnicn snow the snort-run cost curves for 3 perfectly competitive firms in the same industry, determine whether the industry is in long-run equilibrium or not. Q Q Firm A QA MC ATC Output Firm B QB MC ATC Firm C MC ATC Output Output Qc If Firms A, B and C are in the same industry, is this industry in long-run equilibrium? ○ A. Yes, because P = MC = MR for each of the 3 firms. ○ B. No, because Firm A is not producing at a profit-maximizing level of output. ○ C. Yes, because all 3 firms are producing at their minimum average total cost. OD. The answer is uncertain since it's unknown whether the firms are producing at the minimum efficient scale or not. ○ E. No, because if the industry were in equilibrium, all 3 firms would be earning zero economic profits.
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