Principles of Microeconomics, 8e (Case/Fair)

Chapter 7: The Production Process: The Behavior of Profit-Maximizing Firms

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The Behavior of Profit Maximizing Firms

Multiple Choice

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Refer to the information provided in Figure 7.1 below to answer the questions that follow.

Figure 7.1

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1)

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Refer to Figure 7.1. Panel _____ represents the demand curve facing a perfectly competitive producer of wheat.

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A)

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A

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B)

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B

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C)

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C

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D)

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D

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Answer:

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B

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Diff: 2

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Type: A

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2)

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Jerry sells cherry sno-cones along the boardwalk in New Jersey. During the summer this is a perfectly competitive business, and Jerry faces a perfectly elastic demand curve. If he wants to try to increase revenues he should

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A)

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raise the price of his sno-cones to make more per sale.

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B)

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lower the price of his sno-cones to try to sell more.

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C)

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keep the price the same but produce more to increase sales.

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D)

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do nothing; there is nothing he can do to increase revenue.

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Answer:

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C

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Diff: 3

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Type: C

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3)

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A firm in a perfectly competitive market has no control over price because

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A)

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the government imposes price ceilings on the products produced in perfectly competitive industries.

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B)

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there is free entry and exit from the industry.

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C)

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every firm's product is a perfect substitute for every other firm's product.

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D)

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the market demand for products produced in perfectly competitive industries is perfectly elastic.

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Answer:

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C

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Diff: 1

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Type: F

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4)

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The closest example of a perfectly competitive industry is

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A)

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fast foods.

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B)

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beer.

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C)

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gasoline stations.

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D)

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soybeans.

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Answer:

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D

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Diff: 3

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Type: C

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5)

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Total revenue minus total cost is equal to

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A)

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the rate of return.

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B)

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marginal revenue.

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C)

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profit.

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D)

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net cost.

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Answer:

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C

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Diff: 1

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Type: F

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Refer to the information provided in Figure 7.2 below to answer the following questions.

Figure 7.2

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6)

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Refer to Figure 7.2. This corn producer produces 100 bushels of corn and sells each bushel at $5. The cost of producing each unit bushel is $2. This corn producer's total revenue is

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A)

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$20.

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B)

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$200.

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C)

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$300.

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D)

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$500.

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Answer:

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D

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Diff: 2

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Type: A

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7)

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Refer to Figure 7.2. This corn producer earns a total revenue of $900. Each bushel of corn is sold for $5. This corn producer must be selling __________ bushels of corn.

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A)

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180

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B)

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450

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C)

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900

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D)

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4,500

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Answer:

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A

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Diff: 2

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Type: A

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8)

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The Wax Works sells 400 candles at a price of $10 per candle. The Wax Works' total costs for producing 400 candles are $500. The Wax Works' economic profit is

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A)

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$100.

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B)

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$3,500.

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C)

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$4,500.

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D)

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indeterminate from this information.

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Answer:

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D

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Diff: 2

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Type: A

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9)

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Economic costs

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A)

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include both a normal rate of return on investment and the opportunity cost of each factor of production.

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B)

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are equal to the direct costs of hiring all factors of production.

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C)

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are the opportunity cost of each factor of production minus any interest charges paid on borrowed funds.

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D)

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are equal to total revenue minus accounting profit.

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Answer:

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A

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Diff: 2

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Type: D

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10)

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The Sweet Success Bakery sells 400 cakes at a price of $10 per cake. Its total costs for producing 400 cakes are $500. The Sweet Success Bakery's economic profits are

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A)

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$100.

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B)

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$3,500.

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C)

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$4,500.

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D)

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indeterminate from this information.

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Answer:

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B

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Diff: 2

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Type: A

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11)

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The Oh So Humble Bakery sells 300 muffins at a price of $1 per muffin. Its explicit costs for producing 300 muffins are $250. The Oh So Humble Bakery's economic profits are

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A)

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$35.

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B)

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$50.

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C)

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$250.

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D)

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indeterminate from this information.

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Answer:

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D

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Diff: 2

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Type: A

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12)

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If economic profit is zero, a firm

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A)

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earns a negative rate of return.

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B)

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will leave the industry.

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C)

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earns a positive but below normal rate of return.

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D)

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earns exactly a normal rate of return.

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Answer:

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D

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Diff: 2

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Type: D

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13)

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You own a building that has four possible uses: a cafe, a craft store, a hardware store, and a bookstore. The value of the building in each use is $2,000; $3,000; $4,000; and $5,000, respectively. You decide to open a hardware store. The opportunity cost of using this building for a hardware store is

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A)

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$2,000, the value if the building is used as a cafe.

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B)

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$3,000, the value if the building is used as a craft store.

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C)

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$10,000, the sum of the values if the building is used for a cafe, a craft store, or a bookstore.

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D)

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$5,000, the value if the building is used for a bookstore.

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Answer:

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D

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Diff: 3

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Type: C

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Refer to the information provided in Scenario 1 below to answer the questions that follow.

SCENARIO 1: You are the owner and only employee of a company that writes computer software that is used by gamblers to collect sports data. Last year you earned a total revenue of $90,000. Your costs for equipment, rent, and supplies were $60,000. To start this business you invested an amount of your own capital that could pay you a return of $40,000 a year.

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14)

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Refer to Scenario 1. During the year your economic costs were

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A)

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$40,000.

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B)

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$60,000.

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C)

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$100,000.

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D)

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$130,000.

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Answer:

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C

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Diff: 2

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Type: A

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15)

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Refer to Scenario 1. A yearly normal rate of return for your computer software firm would be

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A)

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$20,000.

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B)

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$40,000.

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C)

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$60,000.

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D)

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$100,000.

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Answer:

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B

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Diff: 2

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Type: A

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16)

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Refer to Scenario 1. Your accounting profit last year was

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A)

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$10,000.

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B)

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$30,000.

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C)

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$50,000.

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D)

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$60,000.

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Answer:

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B

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Diff: 2

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Type: A

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17)

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Refer to Scenario 1. Your economic profit last year was

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A)

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-$40,000.

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B)

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-$10,000.

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C)

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$10,000.

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D)

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$30,000.

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Answer:

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B

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Diff: 2

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Type: A

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Refer to the information provided in Scenario 2 below to answer the questions that follow.

SCENARIO 2: You are the owner and only employee of a company that sets odds for sporting events. Last year you earned a total revenue of $100,000. Your costs for rent and supplies were $50,000. To start this business you invested an amount of your own capital that could pay you a return of $20,000 a year.

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18)

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Refer to Scenario 2. During the year your economic costs were

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A)

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$70,000.

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B)

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$60,000.

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C)

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$50,000.

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D)

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$20,000.

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Answer:

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A

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Diff: 2

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Type: A

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19)

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Refer to Scenario 2. A yearly normal profit for your company is

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A)

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$20,000.

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B)

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$40,000.

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C)

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$60,000.

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D)

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$100,000.

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Answer:

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A

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Diff: 2

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Type: A

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20)

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Refer to Scenario 2. Your accounting profit last year was

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A)

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$10,000.

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B)

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$30,000.

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C)

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$50,000.

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D)

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$60,000.

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Answer:

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C

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Diff: 2

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Type: A

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21)

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Refer to Scenario 2. Your economic profit last year was

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A)

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-$40,000.

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B)

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-$10,000.

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C)

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$10,000.

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D)

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$30,000.

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Answer:

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D

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Diff: 2

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Type: A

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22)

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There are 100 dog kennels in Atlanta. An economist studying the pricing behavior of dog kennels tells you that she is limiting her analysis to a time period that does not allow for any new dog kennels to enter the industry or for any established dog kennels to leave the industry. The time period this economist referred to is the

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A)

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market period.

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B)

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industry run.

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C)

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long run.

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D)

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short run.

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Answer:

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D

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Diff: 3

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Type: C

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23)

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In the long run,

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A)

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a firm can shut down, but it cannot exit the industry.

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B)

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there are no fixed factors of production.

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C)

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a firm can vary all inputs, but it cannot change the mix of inputs it uses.

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D)

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all firms must make economic profits.

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Answer:

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B

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Diff: 3

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Type: C

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Refer to the information provided in the figure below to answer the questions that follow.

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24)

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Refer to the figure above. Assuming wool is a perfectly competitive industry, the demand curve faced by each wool producer is __________ starting at $3.00 per pound.

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A)

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downward sloping

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B)

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upward sloping

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C)

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vertical

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D)

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horizontal

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Answer:

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D

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Diff: 1

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Type: F

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Refer to the information provided in the figure below to answer the questions that follow.

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25)

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Refer to figure above. The demand curve faced by each coffee producer is __________ starting at $4.00 per pound.

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A)

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downward sloping.

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B)

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upward sloping.

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C)

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vertical.

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D)

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horizontal.

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Answer:

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D

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Diff: 3

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Type: C

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26)

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A market demand curve is __________.

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A)

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downward sloping

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B)

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upward sloping

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C)

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perfectly elastic

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D)

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perfectly inelastic

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Answer:

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A

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Diff: 2

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Type: D

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27)

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If a firm in a perfectly competitive industry raises price above market price,

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A)

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total revenue for the firm will increase.

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B)

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profit will increase.

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C)

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sales will drop to zero.

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D)

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demand curves will become downward sloping.

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Answer:

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C

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Diff: 3

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Type: C

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28)

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A perfectly elastic demand curve implies that, ceteris paribus,

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A)

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a firm can sell more by lowering its price.

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B)

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if a firm raises its price above the market price, quantity demanded will equal zero.

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C)

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the price a firm charges is irrelevant, as it will sell the same amount regardless of the price charged.

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D)

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a firm can raise its price and not lose all its customers.

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Answer:

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B

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Diff: 1

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Type: F

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29)

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Assume the wool industry is perfectly competitive. Why is it difficult for a wool producer to make excess profits?

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A)

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The fact that wool producers are "price takers."

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B)

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The assumption that wool producers in the industry do not "differentiate" their products.

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C)

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The fact that the demand curve facing each wool producer is perfectly elastic.

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D)

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There is free entry into the wool industry.

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Answer:

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D

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Diff: 2

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Type: D

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30)

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Assume the wool industry is perfectly competitive. The market demand curve for wool is __________ and each individual wool producer's demand curve is __________.

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A)

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downward sloping; horizontal

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B)

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horizontal; downward sloping

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C)

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horizontal; horizontal

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D)

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downward sloping; downward sloping

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Answer:

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A

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Diff: 3

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Type: C

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31)

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Free entry implies that

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A)

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a perfectly competitive firm can never earn a profit.

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B)

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if firms in an industry are making excessively high profits, new firms are likely to enter the industry.

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C)

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the government regulates the number of firms that are allowed in an industry.

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D)

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firms will always earn a profit, as new firms can enter the industry at any time they like.

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Answer:

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B

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Diff: 2

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Type: D

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32)

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The fast-food industry is not considered perfectly competitive because:

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A)

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entry and exit are strictly regulated by the government.

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B)

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the firm's products are not homogeneous.

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C)

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firms spend a large amount of money on advertising.

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D)

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there are a very large number of firms.