3. Consider the perfectly competitive markets for bottled water in two cities, A and B. Bothhave a downward-sloping demand curve and upward-sloping supply curve, and each marketis currently in long run equilibrium at the same price. The demand curves are similar, butin city A the supply curve is more price elastic than in city B.a) There's a shock: an accident causes the tap water in the area to become undrinkable.In two diagrams, one for each city, compare the effect on price and quantity traded inthe two cities, assuming that a new equilibrium is reached. Explain your diagrams.b) Following on from your answer to a), explain what would happen in the model to thenumber of suppliers and their profitability, in each of the short run and the long run.

Perfect competition is a type of market structure where the number of sellers and buyers are working…

Answered: 3. Consider the perfectly competitive…

Essentials of Economics (MindTap Course List)

8th Edition

ISBN:9781337091992

Author:N. Gregory Mankiw

Publisher:N. Gregory Mankiw

Chapter13: Firms In Competitive Markets

Section: Chapter Questions

Problem 10PA

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a. Graph a purely competitive market showing the point of equilibrium at a price of $150 and a total product of 400,000. b. Next to this graph, graph the purely competitive firm. What price will the firm charge for the product? Will they charge $150, less than $150, or more than $150? c. Show the demand, average revenue, and marginal revenue curve on the graph for the firm. d. Show the profit maximizing quantity for the firm at 250 units of output, or tp. e. Show this firm making a profit of $5,000, making sure to solve for the numerical value for the ATC at the quantity, or tp, of 250, and showing the profit area on the graph.
1.i) Assuming you are the managing director of a firm that produces goods: A,B and C .The price elasticity of demand for A is 1.2, for B it is 1.oo and C is 0.75. It is known that he's firm is experiencing serious cash flow problems and you have to increase total revenue as soon as possible. If you were in a position to set the prices for these goods, what would be your pricing strategy for each product ii) price falls from N$ 16 to N$ 12 per bottle and demand rises from 200 to 300 per bottle.calculate the PED using midpoint formula Output prices average (total)cost Total cost marginal cost Total profit/loss 10 10 -108 20 10 4 -48 30 10 5 3 40 10 6.20 40 50 10 8 60 60 10 10 60 2. i) fill in the gaps ii)in which market structure doess Johnson Electronics (Pty)Ltd operate? iii)what level of output maximizes the firms profit
explain your answers in detail and use graphs whenever appropriate: The market for rental cars is very competitive. How would the following developments affect the quantity of car rentals that a typical rental car company wants to supply in the short run? a. With the easing of fears about Covid 19, people are more excited to travel than before. b. Local governments reduce the yearly fee that rental car companies have to pay for their facilities. Note, these fees do not vary with how many cars the company rents. c. Rental car companies have to pay higher wages for their workers. Suppose that initially the market for rental cars is in long-run equilibrium. a. What does the fall in the yearly fee rental car companies have to pay for their facilities do to the profits of a typical rental car company in the short run? b. What will happen to the equilibrium price and quantity of rental cars in the long run? Why? What will happen to the profits of a typical rental car company in the long run?
1. The market for manicures and other nail treatments is very competitive. How would the following developments affect the number of nail treatments that a typical nail salon wants to supply in the short run? a. Heightened concern about their appearance causes people to want more manicures at a given price. b. The government requires all nail salons to pay a new yearly licensing fee to operate. c. Worse job prospects elsewhere in the economy cause more people to want to become manicurists, causing the wages of manicurists to fall.
16. The accompanying graph shows the short-run demand and cost situation for a price searcher in a market with low barri- ers to entry. a. What level of output will maximize the firm's profit level? b. What price will the firm charge? c. How much revenue will the firm receive in this situation? How much is total cost? Total profit? d. How will the situation change over time?
2. The gains and loss from selling one more unit Sean's Fire Engines is the sole seller of fire engines in the fictional country of Pyrotania. Initially, Sean produced seven fire engines, but he has decided to increase production to eight fire engines. The following graph shows the demand curve Sean faces. As you can see, to sell the additional engine, Sean must lower his price from $100,000 to $50,000 per fire engine. Note that although Sean gains revenue from the additional engine he sells, he also loses revenue from the initial seven engines because he sells them all at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial seven engines by selling at $50,000 rather than $100,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $50,000.
2. The demand curve facing a competitive firm The following graph illustrates the market for small moving trucks in Flagstaff, AZ, during Northern Arizona's fall move-in week. PRICE (Dollars per small trick) 100 90 70 8 8 8 8 8 8 8 0 0 Demand 1 2 0 1 2 3 QUANTITY (Hundreds of small trucks) Supply Suppose that Zoom be is one of over a dozen competitive firms in the Flagstaff area that offers moving truck rentals. Based on the preceding graph showing the weekly market demand and supply curves, the price Zoomba must take as given is 9 Fill in the price and the total, marginal, and average revenue Zoomba earns when it rents 0, 1, 2, or 3 trucks during move-in week. Quantity Price (Trucks) (Dollars per truck) Total Revenue Marginal Revenue (Dollars) (Dollars) Average Revenue (Dollars per truck) 10 O Marginal revenue curve O Supply curve O Marginal cost curve Ⓒ Average revenue curve 0 The demand curve faced by Zoomba is identical to which of its other curves? Check all that apply. $10
9. Which of the following best explains why a price-taker firm faces a horizontal demand curve at the market equilibrium price and a price-searcher firm faces a downward-sloping demand curve? a. A price-taker firm will lose all of its sales if it raises its price above the market equilibrium because it produces products that are identical to its competitors. A price-searcher firm produces a differentiated product and will lose only some sales if it raises its price. b. A price-taker firm will lose all of its sales if it lowers its price below the market equilibrium because it produces products that are identical to its competitors. A price-searcher firm produces a differentiated product and will lose only some sales if it lowers its price. c. A price-taker firm will lose all of its sales if it raises its price above the market equilibrium because it produces products that are differentiated from its competitors. A price-searcher firm produces a product that is identical to its…
2. There are two brands of cigarettes X, Y. The demand for each is as follows: Qx = 80 – 2p Qy = 60 – 0.5p Assume that the marginal cost of producing cigarette X is $10, the marginal cost of producing cigarette Y is $8, and that the market for both cigarettes is perfectly competitive. Assume that each pack of cigarette X smoked does $5 worth of health damage to the smoker, and a total of $4 worth of health damage to the smoker's neighbors via second-hand smoke. Each pack of cigarette Y smoked does $6 worth of health damage to the smoker, and $5 health damage to the smoker's neighbors. (a) Plot the private demand curve and private supply curve for both cigarettes on separate axes. (b) What is the privately efficient quantity demand of both cigarettes? (c) Add the public supply curves to the graphs you plot in (a). (d) What is the socially efficient quantity demand of both cigarettes?
The graph shows costs for a perfectly competitive market for frying pans. Suppose that: A= $68, B= $65, C = $46, D= $26, E = 27, F= 38, and G = 64. ABC Â D Price $ OExit 11 Ar what price and quantity will a firm produce in this market? Quantity =$ Enter 11 11 EFG 1. Will the firm open or shut down? Copen OShutdown If this graph is representative of firms in this market, will firms exit or enter the market? 4.
Mo increase production from 5 O True O False 6 fire engines because the dominates in this scenario. True or False: If alternatively Mo's HookNLadder were a competitive firm and $160,000 were the market price for an engine, decreasing its price from $160,000 to $120,000 would result in a decrease in the production quantity, but an increase in total revenue.
2. The market for EpiPens Consider the pharmaceutical company Mylan that produces epinephrine injection devices called EpiPens. In the presence of other firms producing substitutes for this good, the price of EpiPens is $150. Now suppose that competitors to Mylan no longer produce epinephrine injection devices, so Mylan now has pricing power in this market. As the economist on staff at Mylan, you are charged with the task of figuring out what your company's new pricing strategy should be. The following graph shows the marginal cost (MC), which is assumed to be constant, and the average total cost (ATC) of Mylan. The graph also shows the demand curve (D) for EpiPens and the marginal revenue curve (MR) once the firm has market power. On the graph, use the grey point (star symbol) to indicate the quantity of EpiPens demanded if Mylan continues to charge $150. Dashed drop lines will automatically extend to both axes. PRICE (Dollars per EpiPen) 1000 900 800 700 600 500 400 300 200 100 0 0 +…

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