Microeconomics (7th Edition)
7th Edition
ISBN: 9780134737508
Author: R. Glenn Hubbard, Anthony Patrick O'Brien
Publisher: PEARSON
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Question
Chapter 12, Problem 12.2.4PA
To determine
A firm maximizes profits when MR - MC is at its maximum or not.
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Students have asked these similar questions
-Briefly discuss average costs, including how they are calculated, how they are typically appear on a graph, and what they relate to profitability.
-Briefly explain what is meant by the term "fixed costs" and provide three examples of same. What determines a firm's level of fixed costs?
-Briefly explain what is meant by the term "variable costs" and provide three examples of same.
-Briefly explain how the total revenue for a profit-seeking firm is determined.
Briefly explain using a graph whether given statement is true or false. ‘To maximise profit, a firm should produce the quantity where the difference between marginal revenue and marginal cost is the greatest. If a firm produces more than this quantity, then the profit made on each additional unit will be falling.’
"In the short run, even when output is zero, the firm still has some variable costs it must pay." Is the statement correct or incorrect? Briefly explain your answer.
Chapter 12 Solutions
Microeconomics (7th Edition)
Ch. 12 - Prob. 12.1.1RQCh. 12 - Prob. 12.1.2RQCh. 12 - Prob. 12.1.3RQCh. 12 - Prob. 12.1.4PACh. 12 - Prob. 12.1.5PACh. 12 - Prob. 12.1.6PACh. 12 - Prob. 12.1.7PACh. 12 - Prob. 12.1.8PACh. 12 - Prob. 12.1.9PACh. 12 - Prob. 12.2.1RQ
Ch. 12 - Prob. 12.2.2RQCh. 12 - Prob. 12.2.3RQCh. 12 - Prob. 12.2.4PACh. 12 - Prob. 12.2.5PACh. 12 - Prob. 12.2.6PACh. 12 - Prob. 12.2.7PACh. 12 - Prob. 12.2.8PACh. 12 - Prob. 12.3.1RQCh. 12 - Prob. 12.3.2RQCh. 12 - Prob. 12.3.3PACh. 12 - Prob. 12.3.4PACh. 12 - Prob. 12.3.5PACh. 12 - Prob. 12.3.6PACh. 12 - Prob. 12.3.7PACh. 12 - Prob. 12.3.8PACh. 12 - Prob. 12.4.1RQCh. 12 - Prob. 12.4.2RQCh. 12 - Prob. 12.4.3RQCh. 12 - Prob. 12.4.4PACh. 12 - Prob. 12.4.5PACh. 12 - Prob. 12.4.6PACh. 12 - Prob. 12.4.7PACh. 12 - Prob. 12.4.8PACh. 12 - Prob. 12.4.9PACh. 12 - Prob. 12.4.10PACh. 12 - Prob. 12.5.1RQCh. 12 - Prob. 12.5.2RQCh. 12 - Prob. 12.5.3RQCh. 12 - Prob. 12.5.4PACh. 12 - Prob. 12.5.5PACh. 12 - Prob. 12.5.6PACh. 12 - Prob. 12.5.8PACh. 12 - Prob. 12.5.9PACh. 12 - Prob. 12.5.10PACh. 12 - Prob. 12.5.11PACh. 12 - Prob. 12.5.12PACh. 12 - Prob. 12.6.1RQCh. 12 - Prob. 12.6.2RQCh. 12 - Prob. 12.6.3RQCh. 12 - Prob. 12.6.4PACh. 12 - Prob. 12.6.5PACh. 12 - Prob. 12.6.6PACh. 12 - Prob. 12.6.7PACh. 12 - Prob. 12.6.8PACh. 12 - Prob. 12.6.9PACh. 12 - Prob. 12.6.10PACh. 12 - Prob. 12.1CTECh. 12 - Prob. 12.2CTECh. 12 - Prob. 12.3CTE
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- Notes for graph: MC is marginal cost, MR is marginal revenue, ATC is average total cost, AVC is average variable cost and D is the demand curve. To maximize the profit, how many units should the firm produce? At what price? Based on your answer, what is the total revenue? Total costs? Total profit? Total fixed cost? Will you operate this firm in the short run? Long run? Briefly explain.arrow_forwardPlease answer all parts: How does fixed cost affect marginal cost? Do fixed costs affect perfectly competitive firm’s output decisions in the short run? Briefly explain your answer. Are there fixed costs in the long run? Do fixed costs affect perfectly competitive firm’s output decisions in the long run? Explain your answers briefly.arrow_forwardSuppose Eleanor runs a small business that manufactures teddy bears. Assume that the market for teddy bears is a competitive market, and the market price is $20 per teddy bear. The following graph shows Eleanor's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for teddy bears quantities zero through seven (inclusive) that Eleanor produces. 200 175 Total Revenue 150 Total Cost 125 Profit 100 75 50 25 -25 1 2 3 7 8 QUANTITY (Teddy bears) TOTAL COST AND REVENUE (Dollars)arrow_forward
- Suppose Sophia sells flowers in a perfectly competitive market and always maximizes profit. (a) Given the current market price is $5, Sophia sells 2000 flowers every week and makes zero profit. What are the amounts of marginal revenue, marginal cost and average total cost at this level of output? Briefly explain. (b) Continued from (a), if the market demand decreases, what will be the short-run impact on Sophia’s profit? Explain in detail with diagrams.arrow_forwardSuppose that the market for cashmere sweaters is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. Hint: After placing the rectangle on the graph, you can select an endpoint to see the coordinates of that point. 100 90 Profit or Loss 80 70 60 40 ATC 30 20 MC AVC 10 10 20 30 40 50 60 70 80 90 100 QUANTITY (Thousands of sweaters per day) In the short run, at a market price of $45 per sweater, this firm will choose to produce 45,000 sweaters per day. On the preceding graph, use the blue rectangle (circle symbols) to shade the area representing the firm's profit or loss if the market price is $45 and the firm chooses to produce the quantity you already selected. Note: In the following question, enter a positive number, even if it represents a loss. The area of this rectangle indicates that the firm's would be thousand per day in the short run. PRICE (Dollars per sweater)arrow_forwardSuppose Becky runs a small business that manufactures shirts. Assume that the market for shirts is a competitive market, and the market price is $20 per shirt. The following graph shows Becky's total cost curve. Use the blue points (circle symbol) to plot total revenue and the green points (triangle symbol) to plot profit for the first seven shirts that Becky produces, including zero shirts. 200 175 Total Revenue 150 Total Cost 125 Profit 100 75 -25 1 2. 4 6. 7 QUANTITY (Shirts) TOTAL COST AND REVENUE (Dollars) 25arrow_forward
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