Brief Principles of Macroeconomics (MindTap Course List)
8th Edition
ISBN: 9781337091985
Author: N. Gregory Mankiw
Publisher: Cengage Learning
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Chapter 4.1, Problem 1QQ
To determine
Market and
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8. In a perfectly competitive market:a. All goods or services in that market are similarb. The price is set by market equilibrium and individual sellers cannotinfluence the pricec. Sellers strive to supply the greatest quantity of the good or service at thelowest priced. Small groups of buyers and sellers can have a great influence on prices
Is the market for Kennedy half dollars competitive? Also why or why don't you think this market is a perfectly competitive market?
What is special about a purely competitive market?
Chapter 4 Solutions
Brief Principles of Macroeconomics (MindTap Course List)
Ch. 4.1 - Prob. 1QQCh. 4.2 - Prob. 2QQCh. 4.3 - Prob. 3QQCh. 4.4 - Prob. 4QQCh. 4 - Prob. 1CQQCh. 4 - Prob. 2CQQCh. 4 - Prob. 3CQQCh. 4 - Prob. 4CQQCh. 4 - Prob. 5CQQCh. 4 - Prob. 6CQQ
Ch. 4 - Prob. 1QRCh. 4 - Prob. 2QRCh. 4 - Prob. 3QRCh. 4 - Prob. 4QRCh. 4 - Prob. 5QRCh. 4 - Prob. 6QRCh. 4 - Prob. 7QRCh. 4 - Prob. 8QRCh. 4 - Prob. 9QRCh. 4 - Prob. 1PACh. 4 - Prob. 2PACh. 4 - Consider the market for minivans. For each of the...Ch. 4 - Prob. 4PACh. 4 - Prob. 5PACh. 4 - Prob. 6PACh. 4 - Prob. 7PACh. 4 - Prob. 8PACh. 4 - Prob. 9PACh. 4 - Prob. 10PACh. 4 - Prob. 11PA
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- Firms ill a perfectly competitive market are said to be price takers that is, once the market determines an equilibrium price for the product, firms must accept this price. If you sell a product in a perfectly competitive market, but you are not happy with its price, would you raise the price, even by a cent?arrow_forwardPrice (dollars per pound) S Market price 2 0 10 20 30 Supply of apples 40 Demand for apples 50 Quantity (thousands of pounds) Price and cost (dollars per pound) Market price 2 10 يلا 20 30 40 ATC -D-MR 50 Quantity thousands of pounds) Given the two diagrams, the left showing the market supply and demand, the right showing a typical individual firm in this competitive market, what would you expect will happen over time? Existing firms will increase output with positive profits. Existing firms will exit the market and average profits by market firms will remain positive. New firms will enter the market and average profits by market firms will remain positive. Existing firms will exit the market and average profits by market firms will be zero in the long run. New firms will enter the market and average profits by market firms will be zero in the long run.arrow_forward1. Does a perfectly competitive market exist in real life? Look at the following markets and describe how close they are to perfect competition. i. Market for bottled water. ii. Market for foreign currency (say US$). iii. Market for pork buns.arrow_forward
- 4. Examine the behavior of perfect competitive markets. How are prices determined in competitive markets? How does competition affect the profits of a firm or industry? What does society gain from market competition?arrow_forwardThink about a competitive market in which youparticipate regularly. For each of the characteristicsof a competitive market, explain how your marketmeets these requirements.arrow_forward36. In a perfectly competitive market, which of the following shifts in the supply ourve deemand curves will definitely cause both the équilibrium price and quantity to decrease? Supply curve Demand curve- No shift Shifts to the right Shifts to the right Shifts to the left a. Shifts to the left Shifts to the right No shift No shift b.arrow_forward
- Tips ips The following graph plots daily cost curves for a firm operating in the competitive market for instant pots. 100 PRICE (Dollars per instant pot) 8888 2 2 2 2 10 o ATC AVC MC ㅁㅁ 0 5 10 15 20 25 30 35 40 45 50 QUANTITY (Thousands of instant pots) Using the following table, for each price level, calculate the optimal quantity of units for the firm to produce. Using the data from the graph to determine the firm's total variable cost, calculate the profit or loss associated with producing that quantity. Assume that if the firm is indifferent between producing and shutting down, it will choose to produce. (Hint: Select purple points [diamond symbols] on the graph to receive exact average variable cost information.) Price (Dollars per instant pot) Quantity (Instant pots) Total Revenue (Dollars) Fixed Cost (Dollars) Variable Cost (Dollars) Profit (Dollars) 25.00 1,600,000 70.00 1,600,000 100.00 1,600,000 If the firm shuts down, it must incur its fixed costs (FC) in the short run. In…arrow_forwardRefer to the information provided in Table 8.2 below to answer the question(s) that follow. Show your computation. Table 8.2 Number of Earrings TVC MC AVC TFC TC AFC ATC 100 1 50 95 3 46.67 4 300 5 270 7) Assume that Sherry's Earrings is producing in a perfectly competitive market and the market price for earrings is $60. To maximize profits, how many pairs of earrings should Sherry producearrow_forward2. Suppose that the market for wind chimes is a competitive market. The following graph shows the daily cost curves of a particular firm operating in this PRICE (Dollars per wind chime) 40 36 32 28 24 20 16 12 8 4 0 0 MC ATC 2 4 8 10 12 14 16 18 20 QUANTITY (Thousands of wind chimes per day) AVC 6 market: a) In short run, at a market price of $26 per wind chime, how much will firm choose to produce per day? How do you know? loss in si LIGHT OF LOSS IN SUCARAMIH OF HIS STAPAL. graph. c) What is this firm's shutdown price, that is the price below which it is optimal for the firm to shut down in short run? d) In the long run, all firms can enter and exit the market, and all entrants have the same costs as above. As this market makes the transition to its long-run equilibrium, will the price rise or fall? Will the quantity demanded rise or fall? Will the quantity supplied by each firm rise or fall? Explain your answers. e) Graph the long-run supply curve in equilibrium for this market,…arrow_forward
- 36. In alperfectly competitive market which of the following shifts in the supply.curye and demand curves will definitely cause both the equilibrium price and quantity to decrease? Supply eurve Demand curve Shifts to the left a. b. No shift Shifts to the right C. d. No shift No shift Shifts to the right Shifts to the right Shifts to the leftarrow_forwardAttempts: Average: 12 5. Profit maximization and shutting down in the short run Suppose that the market for sports watches is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. V ATC AVC PRICE (Dolars per watch) 100 5 MO 0 0 10 20 30 40 50 60 70 80 90 100 QUANTITY(Thousands of watches) For each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the previous graph to identify its total variable cost. Assume that if the firm is indifferent between producing and shutting down, it will produce. (Hint: You can select the purple points [diamond symbols] on the previous graph to see precise information on average variable cost.) Price Quantity (Dollars per watch) (Watches) 25.00 40.00 65.00 Total Revenue Fixed Cost Variable Cost (Dollars) (Dollars) (Dollars) 520,000 $20,000 520,000 (Dollars) If the firm shuts down,…arrow_forwardIs a competitive market “efficient”? Define efficiency and explain.arrow_forward
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