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
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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,
where the firm has chosen the output level which maximizes profit. Think
about the level of profits being earned here, and what will happen over time. In
the long run:
A perfectly competitive firm is currently maximizing profits. The market for its product is in a long-run equilibrium. Market demand for the product decreases. Briefly explain what happens in the market by describing what will happen to this firm’s production (and most importantly why) as a result of that change. Describe what will happen and why to the firm’s costs and profits as the firm makes its choices. Emphasize why each type of individual cost does or does not change as the firm changes its level of production.
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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- 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?arrow_forwardIn a perfectly competitive market, how do we go from a short run equilibrium to a long run equilibrium?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
- Perfectly 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_forwardAccording 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_forwardPerfect competition is an extremely rare type of market in the real world. This is because the conditions necessary for perfect competition are difficult to meet. Write about an example of perfect competition (or at least a market that is very close to perfect competition). Do different sellers in the market you’ve described charge different prices for their product? Does your answer support the idea that this market is perfectly competitive? Explain. Does it seem as if the example you mentioned is allocatively efficient? In other words, does the market produce enough of this good (or does it produce too much or too little)? Explain.arrow_forward
- Graphically 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_forwardNow 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_forwardSuppose that the perfectly competitive chicken industry is in long-run equilibrium at a price of $3 per pound of chicken and a quantity of 600 million pounds per year. Suppose the Surgeon General issues a report saying that eating chicken is good for your health. The Surgeon General's report will cause consumers to demand chicken at every price. In the short run, firms will respond by . Shift the supply curve, the demand curve, or both on the following diagram to illustrate these short-run effects of the Surgeon General's announcement. Note: Select and drag one or both of the curves to the desired position. Curves will snap into position, so if you try to move a curve and it snaps back to its original position, just drag it a little farther. In the long run, some firms will respond by until . Shift the supply curve, the demand curve, or both on the following diagram to illustrate both the short-run effects of the Surgeon General’s announcement and…arrow_forward
- Give 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_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_forwardIf this is the case of a typical firm in a perfectly competitive market, what is most likely to happen?arrow_forward
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