Micro Economics For Today
10th Edition
ISBN: 9781337613064
Author: Tucker, Irvin B.
Publisher: Cengage,
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Chapter 8, Problem 17SQ
To determine
The short run supply curve of a
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Justin’s Jeans sells in a perfectly competitive market with a downward-sloping demand curve and an upward-sloping supply curve. The market price is $33 per unit, and the total fixed cost is $30.(a) Identify the profit-maximizing quantity. Explain using marginal analysis. (b) Calculate the economic profit at the profit-maximizing quantity you identified in part (a). Show your work.(c) Calculate the average fixed cost of producing 6 units. Show your work.(d) Based on your answer to part (b), will the number of firms in the industry increase, decrease, or stay the same in the long run? Explain.(e) Based on your answer to part (b), will the market price increase, decrease, or stay the same in the long run? Explain.(f) The income elasticity of demand for Good M is 1.4, and the cross-price elasticity of demand for jeans with respect to the price of Good M is −0.75. Based on your answer to part (e), what will happen to the demand for jeans? Explain.(g) Now assume that the market in which…
If a profit-maximizing, competitive firm is producing a quantity at which marginal cost is between average variable cost and average total cost, it will
A. keep producing in the short run but exit the market in the long run.
B. shut down in the short run but return to production in the long run
C. shut down in the short run and exit the market in the long run.
D. keep producing both in the short run and in the long run.
A profit-maximizing firm in a competitive market is currently producing 500 units of output. It has
average revenue of $10, average total cost of $8, and fixed costs of $200. a. What is its profit? b.
What is its marginal cost? c. What is its average variable cost? d. Is the efficient scale of the firm more
than, less than, or exactly 100 units?
Chapter 8 Solutions
Micro Economics For Today
Ch. 8.5 - Prob. 1YTECh. 8.5 - Prob. 2YTECh. 8 - Prob. 1SQPCh. 8 - Prob. 2SQPCh. 8 - Prob. 3SQPCh. 8 - Prob. 4SQPCh. 8 - Prob. 5SQPCh. 8 - Prob. 6SQPCh. 8 - Prob. 7SQPCh. 8 - Prob. 8SQP
Ch. 8 - Prob. 9SQPCh. 8 - Prob. 10SQPCh. 8 - Prob. 11SQPCh. 8 - Prob. 12SQPCh. 8 - Prob. 1SQCh. 8 - Prob. 2SQCh. 8 - Prob. 3SQCh. 8 - Prob. 4SQCh. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - Prob. 8SQCh. 8 - Prob. 9SQCh. 8 - Prob. 10SQCh. 8 - Prob. 11SQCh. 8 - Prob. 12SQCh. 8 - Prob. 13SQCh. 8 - Prob. 14SQCh. 8 - Prob. 15SQCh. 8 - Prob. 16SQCh. 8 - Prob. 17SQCh. 8 - Prob. 18SQCh. 8 - Prob. 19SQCh. 8 - Prob. 20SQ
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- Price Average total cost AVC Demand Marginal cost Marginal revenue Q Quantity Discuss the firm plotted on the figure. What type of firm do you see?is the firm operating at the optimal point of production? is the firm making a proht? s the firm operating in the short or in the long run?arrow_forwardA short-run supply curve for a competitive firm is the same as the: Answers: A. Marginal revenue curve. B. Marginal cost curve. C. Average variable cost curve. D. Average total cost curve.arrow_forwardNeed Help.arrow_forward
- Which of the following will cause the purely competitive firm to stop operations? A. the price can no longer cover the variable cost B. the price can cover the variable cost and half of the fixed cost C. the price can cover both the variable and the fixed costs but there is no economic profit D. the firm is realizing economic profit E. no correct answerarrow_forwardDraw the short-run ATC, AVC, MC, MR and Demand graphs for a perfectly competitive market experiencing a profit. In each part, show Total Cost (TC), Total Revenue (TR), shade the profit. Clearly label Q for the equilibrium quantity point and P for market price point.arrow_forwardWhich of the following characterizes a perfectly competitive industry? Select one: a. The industry demand curve is vertical. b. Each firm produces a product slightly different from that of its competitors. c. Each firm sets a different price. d. The demand for each individual firm is perfectly elastic.arrow_forward
- In the long-run equilibrium in a perfectly competitive market,: a . the firms make an economic profit . b. the firms' owners make a normal profit . C. the average total cost is maximized . d . marginal cost is at a minimum .arrow_forwardIn the short run, a perfectly competitive firm can Select one: a. earn an economic profit. b. earn an economic profit, earn a normal profit, or incur an economic loss. c. earn a normal profit. d. incur an economic loss.arrow_forwardFor an imperfectly competitive firm: a. The marginal revenue curve will lie above the demand curve b. The demand and marginal revenue curve will coincide c. The price and the marginal cost are equal d. The price is greater than the marginal revenuearrow_forward
- Currently the firm is producing at a profit maximizing quantity of output and has a total revenue of $5000. Variable costs are $4000 and Fixed costs are $2000. Which of the following is true for this firm in the short run: A. The firm should continue producing at a loss B. The firm should shut down immediately C. The firm should continue to produce since it is making profit D. The firm should adjust (increase or decrease) outputarrow_forwardDiscuss the shape of the long-run supply curve in a perfectly competitive market. The long-run supply curve is A. an upward-sloping line equal to the sum of the portion of each firm's marginal cost curve that is above minimum average variable cost. B. a horizontal line equal to the minimum point on the typical firm's average total cost curve. C. an upward-sloping line equal to the sum of each firm's marginal cost curve. D. a horizontal line equal to the minimum point on the typical firm's average variable cost curve. E. an upward-sloping line equal to the sum of each firm's supply curve. Suppose that the perfectly competitive market illustrated in the graph to the right is initially in long-run equilibrium (at P₁) and then there is a permanent decrease in the demand for the product (to D₂). Show how the market adjusts in the long run. 1.) Use the line drawing tool to add either a new demand curve or a new supply curve showing the market in long-run equilibrium. Properly label this…arrow_forwardThe following figure shows the marginal cost curve, average total cost curve, average variable cost curve, and marginal revenue curve for a firm for different levels of output. Price R W S L 0 A F B G C M At the profit-maximizing level of output: MC ATC AVC MR Quantity a. the firm is earning economic profit. b. profits per unit are the highest relative to all other output choices. c. profit equals ZC. d. costs exceed revenue.arrow_forward
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