MICROECON.S W/CONNECT ACCCESS>CUSTOM<
21st Edition
ISBN: 9781260281200
Author: McConnell
Publisher: MCG CUSTOM
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Question
Chapter 10, Problem 2RQ
Subpart (a):
To determine
Relevance of pure competition.
Subpart (b):
To determine
Total revenue and marginal revenue.
Subpart (c):
To determine
Total revenue and marginal revenue.
Subpart (d):
To determine
Total revenue and marginal revenue.
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Which of statement is true about economic profit in the long run.(LO2,3).
a) both the monopolistic and perfect competitor make one.
b) neither the monopolistic nor the perfect competitor makes one.
c) only the perfect competitor makes one.
d) only the monopolistic makes one.
Suppose that the pen-making industry is perfectly competitive. Also suppose that each current firm and any potential firms that might enter the industry all have identical cost curves, with minimum ATC = $1.25 per pen. If the market equilibrium price of pens is currently $1.50, what would you expect it to be in the long run? LO11.2 a. $0.25. b. $1.00. c. $1.25. d. $1.50.
Use the accompanying graph to answer the questions that follow. (LO1, LO2) a. Suppose this monopolist is unregulated. (1) What price will the firm charge to maximize its profits? (2) What is the level of consumer surplus at this price? b. Suppose the firm’s price is regulated at $80. (1) What is the firm’s marginal revenue if it produces 7 units? (2) If the firm is able to cover its variable costs at the regulated price, how much output will the firm produce in the short run to maximize its profits? (3) In the long run, how much output will this firm produce if the price remains regulated at $80?
Chapter 10 Solutions
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- 4. You are the manager of a monopoly, and your demand and cost functions are given by P = 300 − 3Q and C(Q) = 1,500 + 2Q2, respectively. (LO3, LO4) a. What price–quantity combination maximizes your firm’s profits? b. Calculate the maximum profits. c. Is demand elastic, inelastic, or unit elastic at the profit-maximizing price–quantity combination? d. What price–quantity combination maximizes revenue? e. Calculate the maximum revenues. f. Is demand elastic, inelastic, or unit elastic at the revenue-maximizing price–quantity combination? 6. The accompanying diagram shows the demand, marginal revenue, and marginal cost of a monopolist. (LO1, LO3, LO5) a. Determine the profit-maximizing output and price. b. What price and output would prevail if this firm’s product were sold by price-taking firms in a perfectly competitive market? c. Calculate the deadweight loss of this monopoly. 8. The elasticity of demand for a firm’s product is –2.5 and its advertising elasticity of demand is 0.2.…arrow_forward1.Briefly state the basic characteristics of pure competition, pure monopoly, monopolistic competition, and oligopoly. Under which of these market classifications does each of the following most accurately fit? (a) a supermarket in your hometown; (b) the steel industry; (c) a Kansas wheat farm; (d) the commercial bank in which you or your family has an account; (e) the automobile industry. In each case, justify your classification. LO1arrow_forward1. Why can't a perfectly competitive firm charge a price premium (sell at a higher price) for its product relative to other firms in the industry? What is the term given to perfectly competitive firms since they must sell at the market equilibrium price? 2. For a perfectly competitive firm, what is the relationship between Price and Marginal Revenue?arrow_forward
- Suppose that each firm in a competitive industry has the following costs: Total cost: TC = 50 + q2 Marginal cost: MC = q where q is an individual firms quantity produced. The market demand curve for this product is Demand:QD = 120 P where P is the price and Q is the total quantity of the good. Currently, there are 9 firms in the market. a. What is each firms fixed cost? What is its variable cost? Give the equation for average total cost. b. Graph average-total-cost curve and the marginal-cost curve for q from 5 to 15. At what quantity is average-total-cost curve at its minimum? What is marginal cost and average total cost at that quantity? c Give the equation for each firms supply curve. d. Give the equation for the market supply curve for the short run in which the number of firms is fixed. e. What is the equilibrium price and quantity for this market in the short run? f. In this equilibrium, how much does each firm produce? Calculate each firms profit or loss. Is there incentive for firms to enter or exit? g. In the long run with free entry and exit, what is the equilibrium price and quantity in this market? h. In this long-run equilibrium, how much does each firm produce? How many firms are in the market?arrow_forward6. The accompanying diagram shows the demand, marginal revenue, and marginal cost of a monopolist. (LO1, LO3, LO5) a. Determine the profit-maximizing output and price. b. What price and output would prevail if this firm’s product were sold by price-taking firms in a perfectly competitive market? c. Calculate the deadweight loss of this monopoly. 8. The elasticity of demand for a firm’s product is –2.5 and its advertising elasticity of demand is 0.2. (LO8) a. Determine the firm’s optimal advertising-to-sales ratio. b. If the firm’s revenues are $40,000, what is its profit-maximizing level of advertising?arrow_forward4. You are the manager of a firm that produces products X and Y at zero cost. Youknow that different types of consumers value your two products differently, but you are unable toidentify these consumers individually at the time of the sale. In particular, you know there arethree types of consumers (100 of each type) with the following valuations for the two products: Consumer Type Product X Product Y1 $90 $ 602 $70 $1403 $40 $160 a. What are your profits if you charge $40 for product X and $60 for product Y?b. What are your profits if you charge $90 for product X and $160 for product Y?c. What are your profits if you charge $150 for a bundle containing one unit of product X andone unit of product Y?d. What are your profits if you charge $210 for a bundle containing one unit of X and one unit ofY, but also sell the…arrow_forward
- 2. Consider a firm that has no fixed costs and that is currently losing money. Are there any situations in which it would want to stay open for business in the short run? 3. Why is the equality of marginal revenue and marginal cost essential for profit maximization in all market structures? Explain why price can be substituted for marginal revenue in the MR = MC rule when an industry is purely competitive.arrow_forwardTwo firms with the same (constant) marginal costs are engaging in Bertrand competition. One of the companies exits the industry. As a aconsequence, the price for the other firm increases by 50%. What is the elasticity of demand in this market?O. 3O. 2O. 2.5O. 4arrow_forward1. In principle, how do we determine a perfectly competitive firm's profit-maximizing output and maximum profits given information about the market clearing price, and about the marginal cost and average total cost curves of the firm? Explain in words. 2. Can a firm make losses by producing the rate of output at which marginal revenue equals marginal cost? Why? 3. What determines the perfect competitor's supply curve? How is the industry supply curve found? 4. Why would it be economically inefficient for a firm to charge the price of a good greater than its marginal cost? 5. What is a price taker? Discuss the assumptions used to obtain the perfectly competitive model. 6. Why would economies of scale be a barrier to entry? 7. What is the main difference between the demand curves for the perfect competitor and the monopolist? 8. How does a monopoly maximize profits? What price does it charge? 9. Explain what will happen if firms in a monopolistically competitive industry are earning…arrow_forward
- Use the following demand schedule to determine total revenue and marginal revenue for each possible level of sales: a. What can you conclude about the structure of the industry in which this firm is operating? Explain. b. Graph the demand, total-revenue, and marginal-revenue curves for this firm. c. Why do the demand and marginal-revenue curves coincide? d. “Marginal revenue is the change in total revenue associated with additional units of output.” Explain verbally and graphically, using the data in the table.arrow_forward1. Which statement must be false?a) A firm with constant returns to scale in production will not have fixed costs.b) When a firm has increasing returns to scale, the upward sloping marginal cost curve lies above the average cost curve.c) All firms face diminishing returns to scale when they have a high output.d) When a firm produces the output which minimises average cost, marginal cost and average cost will be equal. 2. Which of the following statements about the relationship between marginal revenue, price, and the price elasticity of demand, is true?a) A perfectly elastic demand curve will be vertical, showing that the firm sells a fixed output at all prices.b) The more inelastic the demand curve, the flatter it will be where it meets the price (vertical) axis.c) If the price elasticity of demand PED = -1 at all points on a demand curve, then the firm can choose any level of output, and earn the same revenue.d) When a monopoly maximises its profits, demand for its output will be…arrow_forwardLinda sells 100 bottles of homemade ketchup for $10 each. The cost of the ingredients, the bottles, and the labels was $700. In addition, it took her 20 hours to make the ketchup and to do so she took time off from a job that paid her $20 per hour. Linda’s accounting profit is while her economic profit is. LO9.1 a. $700; $400 b. $300; $100 c. $300; negative $100 d. $1,000; negative $1,100arrow_forward
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