Show that a monopoly will not necessarily lower its price by the same percentage as its constant marginal cost drops: 1.) Use the point drawing tool to indicate the initial equilibrium price and quantity. Label this point 'E' 2.) Use the line drawing tool to show a 50 percent decrease in marginal cost. Label this line 'MC₁'. 3.) Use the point drawing tool to indicate the new equilibrium price and quantity. Label this point 'E,'. Carefully follow the instructions above, and only draw the required objects. What is the percentage change in the price given a 50 percent decrease in marginal cost? The price decreased by percent. (round your answer to two decimal places) 50- 45- 40- 35- 30- 25- 20 15- 10- 5 0- Price, P 10 20 30 MR 40 50 60 Quantity, Q 70 D 80 -MC C 90 100

Show that a monopoly will not necessarily lower its price by the same percentage as its constant marginal cost drops: 1.) Use the point drawing tool to indicate the initial equilibrium price and quantity. Label this point 'E' 2.) Use the line drawing tool to show a 50 percent decrease in marginal cost. Label this line 'MC₁'. 3.) Use the point drawing tool to indicate the new equilibrium price and quantity. Label this point 'E,'. Carefully follow the instructions above, and only draw the required objects. What is the percentage change in the price given a 50 percent decrease in marginal cost? The price decreased by percent. (round your answer to two decimal places) 50- 45- 40- 35- 30- 25- 20 15- 10- 5 0- Price, P 10 20 30 MR 40 50 60 Quantity, Q 70 D 80 -MC C 90 100

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question 4 The diagram below illustrates a monopoly firm: (a) Label the curves Curve I, Curve II, Curve III, Curve IV. (b) Graphically identify profit maximizing output and price (c) Explain how the amount of profit is defined at the maximum-profit output.
FIGURE 10.11 $100 10 Costs and revenues 82822 $100 Costs and revenues Refer to Figure 10.11 to answer this question. Suppose this graph depicts a monopoly industry. What will be the profit-maximizing price and output respectively? 10 Select one: OA. $40 and 15. B. $70 and 15. C. $60 and 20. D. $60 and 25. E. $40 and 30. FIGURE 10.11 RS23222 70 MR D-AR 10 15 20 25 30 35 40 45 50 55 Quantity per period 20 S-MC 10 S-MC MA D-AR 10 15 20 25 30 35 40 45 50 55 Quantity per period Select one: Refer to Figure 10.11 to answer this question. Suppose this graph depicts a perfectly competitive industry. What will be the equilibrium price and output respectively? A. $40 and 30. B. $60 and 20. C. $60 and 25. D. $40 and 15. E. $70 and 15.
A monopolist has set her level of output to maximize profit. The firm's marginal revenue is $20, and the price elasticity of demand is -2.0. The firm's profit maximizing price is approximately ___________ The Lerner index of monopoly power is _________. In a perfectly competitive market, the Lerner index is ________.
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At an output of 1,000 units, a monopoly firm’s average revenue is $40, its marginal revenue is $30, its marginal cost is $30, its average variable cost is $35, and fixed costs are $5,000. Given this information, we can conclude that the monopolist: a. is earning zero economic profit. b. is earning an economic profit equal to $5,000. c. is making an economic loss and should shut down. d. should increase output to maximize profit.
Suppose a monopoly's price elasticity of demand equals -2 and the marginal cost of production equals $400.00. The profit-maximizing price is $ (Enter a numeric response using a real number rounded to two decimal places., What will be the firm's markup? When maximizing profit, the monopoly's markup is percent. (Round your response to the nearest percent.) 20 Mact 80 F1 F2 F3 F4 F5 F6 F7 @ 23 $ & 1 3 4 7 8 Q W E R Y
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10. A monopoly has a demand curve given by P = 20-Q and its cost function is TC = Q2+70. Find the monopoly’s quantity and price. What is this firm’s profit? Should this firm remain open or shut down in the SR? Why?
PRICE 1 2 10. Study Questions and Problems #10 The following graph represents a natural monopolist. Suppose that regulators have set the fair-return price at $3. Use the black point (cross symbol) to indicate the equilibrium under unregulated monopoly. Then use the grey point (star symbol) to indicate the equilibrium for the monopoly regulated by marginal cost pricing. Finally, use the purple point (diamond symbol) to indicate the equilibrium for the monopoly regulated by fair-return pricing. 5 • + MC Pricing Monopoly Pricing LRAC Fair-Return Pricing LRMC MR D 0 0 1 2 3 4 5 6 7 8 QUANTITY Use the graph to complete the following table. Pricing Price (Dollars) Quantity (Units) Stays in Business? Unregulated monopoly $ Marginal cost pricing $ Under which of the following pricing regulations will the monopolist stay in business? Check all that apply. Fair-return pricing Marginal cost pricing Monopoly pricing
Problem 3. Suppose a company has a fixed cost of 20 and a marginal cost that is constant at 2. The demand curve is P=24-Q. Explain why this is a natural monopoly. Contrast regulation that sets the price at marginal cost with regulation that sets it at average cost. How do the outputs and surpluses differ? Calculate the DWL under average cost pricing. Illustrate outputs, prices, and DWL in a diagram.
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