Microeconomics
13th Edition
ISBN: 9781337617406
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter 9, Problem 10WNG
To determine
Graphical illustration of effect of increase in demand on
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The market for corn is perfectly competitive and all firms are in long-run equilibrium currently. What will happen in the market if the incomes of corn consumers rise, assuming corn is an inferior good? Use two appropriately labelled graphs of the market and the individual perfectly competitive firm to explain.
The graph below shows a perfectly competitive firm in short run equilibrium,
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Suppose that firm is in a breaking even status in a perfectly competitive market. Using graphs (for both industry and firm) to explain how a decline in demand in the short run affects some firms’ performance (e.g., earn profits or experience loss). In the long run, how this results in exit of some firms from the same perfectly competitive market. Comment on the market equilibrium quantity and price in the long run?
Chapter 9 Solutions
Microeconomics
Ch. 9.1 - Prob. 1STCh. 9.1 - Prob. 2STCh. 9.1 - Prob. 3STCh. 9.1 - Prob. 4STCh. 9.2 - Prob. 1STCh. 9.2 - Prob. 2STCh. 9.2 - Prob. 3STCh. 9.2 - Prob. 4STCh. 9.3 - Prob. 1STCh. 9.3 - Prob. 2ST
Ch. 9.3 - Prob. 3STCh. 9.3 - Prob. 4STCh. 9.4 - Prob. 1STCh. 9.4 - Prob. 2STCh. 9 - Prob. 1QPCh. 9 - Prob. 2QPCh. 9 - Prob. 3QPCh. 9 - Prob. 4QPCh. 9 - Prob. 5QPCh. 9 - Prob. 6QPCh. 9 - Prob. 7QPCh. 9 - Prob. 8QPCh. 9 - Prob. 9QPCh. 9 - Prob. 10QPCh. 9 - Prob. 11QPCh. 9 - Prob. 12QPCh. 9 - Prob. 13QPCh. 9 - Prob. 14QPCh. 9 - Prob. 15QPCh. 9 - Many plumbers charge the same price for coming to...Ch. 9 - Prob. 17QPCh. 9 - Prob. 18QPCh. 9 - Prob. 1WNGCh. 9 - Prob. 2WNGCh. 9 - According to the accompanying table, what quantity...Ch. 9 - Prob. 4WNGCh. 9 - Prob. 5WNGCh. 9 - Prob. 6WNGCh. 9 - Prob. 7WNGCh. 9 - Prob. 8WNGCh. 9 - Prob. 9WNGCh. 9 - Prob. 10WNG
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- In a perfectly competitive market, how do we go from a short run equilibrium to a long run equilibrium?arrow_forwardPerfectly competitive industries have free entry and exit in the long run. When will firms decide to enter an industry? How does free entry and exit affect a perfectly competitive firm’s profit in the long run?arrow_forwardyou've been learning about what makes a market perfectly competitive, how a firm in a perfectly competitive market makes profit-maximizing decisions, and how a perfectly competitive market moves towards equilibirium. But how applicable is this to real life? For this discussion, try to think of a market (for a product or service) that is perfectly competitive or very close to it. What characteristics of the market make it like perfect competition? Are there factors that keep it from being perfectly competitive? If so, what are they? How close do you think the firms in this market are to perfectly competitive firms in choosing equilibrium price and quantity?arrow_forward
- According to marginal analysis, a perfectly competitive firm will produce an output level where what is true about its Marginal Revenue and its Marginal Cost?arrow_forwardGraphically show the market and firm graphs for the perfectly competitive long run market when firms exit the market to avoid a loss. Be sure to graphically indicate what is happening in both the market and for each individual firm. Your model should end in long run equilibrium.arrow_forwardA single firm in a perfectly competitive market is relatively small compared to the rest of the market. What does this mean? How “small” is “small”?arrow_forward
- Now suppose that an FDA report announces that coffee is harmful to cardiovascular health. Starting from the diagrams show and discuss with your group how the market will adjust towards a short-run equilibrium and then return to a long-run equilibrium. What happen to the market price and quantity in the short-run? What happens to individual firm output and the number of firms in the short-run? What is the profit in the short-run? What happen to the market price and quantity in the long-run? What happens to individual firm output and the number of firms in the long-run? What is the profit in the long-run? (in reference to: https://www.bartleby.com/questions-and-answers/market-for-coffee-shop-coffee-sarbucks-store-market-for-coffee-shop-coffee-sarbucks-store/0b934604-546c-4b2a-ae02-e65f6f9c2eb2 and https://www.bartleby.com/questions-and-answers/o-baby-fifty-quit-or-x-dessie-summ-g-love-island-season-m-gmail-email-from-h-m-inbox-96-o_folor-x-o-/fb1f7acb-7bb6-46ad-85e6-72aa635db643arrow_forwardUse a graph to show the situation that would prevail in a competitive market where firms are earning economic profits. Can this scenario be maintained in the long run? Carefully explain your answer.arrow_forwardGive an example of a firm which competes in a competitive market. Explain. Suppose that the this market begins in long run equilibrium. Give an example of a factor that would cause the demand curve in this market to shift to the left. How will the market return to the long run equilibrium?arrow_forward
- What is the most important decision a perfectly competitive firm must make in order to maximize profit? what quantity to produce what price to charge what quality to produce what quantity of labor is neededarrow_forwardWhy don't firms in a competitive market have excess capacity in the long run?arrow_forwardConsider the perfectly competitive market for steak (a normal good). Starting from long-run equilibrium, show graphically what happens in the short and long run to q. Q. P, and r in the market for steak (in comparison to the starting point) if income increases. Briefly explain.arrow_forward
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