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At present, the maximum legal price for a human kidney is $0. The price of $0 maximizes


A) consumer surplus but not producer surplus.
B) producer surplus but not consumer surplus.
C) both consumer and producer surplus.
D) neither consumer nor producer surplus.

E) A) and B)
F) C) and D)

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Figure 7-4 Figure 7-4   -Refer to Figure 7-4. Which area represents consumer surplus at a price of P1? A)  BDF B)  AFG C)  ABDG D)  ABC -Refer to Figure 7-4. Which area represents consumer surplus at a price of P1?


A) BDF
B) AFG
C) ABDG
D) ABC

E) B) and C)
F) A) and B)

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The Surgeon General announces that eating chocolate increases tooth decay. As a result, the equilibrium price of chocolate


A) increases, and producer surplus increases.
B) increases, and producer surplus decreases.
C) decreases, and producer surplus increases.
D) decreases, and producer surplus decreases.

E) A) and B)
F) A) and C)

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Figure 7-22 Figure 7-22   -Refer to Figure 7-22. If 40 units of the good are bought and sold, then A)  the marginal cost to sellers is equal to the marginal value to buyers. B)  the marginal value to buyers is greater than the marginal cost to sellers. C)  the marginal cost to sellers is greater than the marginal value to buyers. D)  producer surplus would be greater than consumer surplus. -Refer to Figure 7-22. If 40 units of the good are bought and sold, then


A) the marginal cost to sellers is equal to the marginal value to buyers.
B) the marginal value to buyers is greater than the marginal cost to sellers.
C) the marginal cost to sellers is greater than the marginal value to buyers.
D) producer surplus would be greater than consumer surplus.

E) A) and D)
F) None of the above

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Figure 7-1 Figure 7-1   -Refer to Figure 7-1. The value of the good to consumers minus the cost of the good to consumers amounts to $325 if the price of the good is A)  $200. B)  $150. C)  $125 . D)  $100. -Refer to Figure 7-1. The value of the good to consumers minus the cost of the good to consumers amounts to $325 if the price of the good is


A) $200.
B) $150.
C) $125 .
D) $100.

E) B) and D)
F) A) and C)

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When markets fail, public policy can potentially remedy the problem and increase economic efficiency.

A) True
B) False

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Figure 7-31 Figure 7-31   -Refer to Figure 7-31. If the market equilibrium price rises from $25 to $35, how much is the producer surplus for the producers entering the market after the price increase? -Refer to Figure 7-31. If the market equilibrium price rises from $25 to $35, how much is the producer surplus for the producers entering the market after the price increase?

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The producer surplus...

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Figure 7-32 Figure 7-32   -Refer to Figure 7-32. At what price will total surplus be maximized in this market? -Refer to Figure 7-32. At what price will total surplus be maximized in this market?

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.Total surplus will ...

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Figure 7-34 Figure 7-34   -Refer to Figure 7-34. Suppose there is initially a price floor set at $10 in this market. If the government removed the price floor, by how much would total consumer surplus increase for those consumers who were purchasing the good when the price floor was in place? -Refer to Figure 7-34. Suppose there is initially a price floor set at $10 in this market. If the government removed the price floor, by how much would total consumer surplus increase for those consumers who were purchasing the good when the price floor was in place?

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Those consumers who were alrea...

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If the United States legally allowed for a market in transplant organs, it is estimated that one kidney would sell for at least $100,000.

A) True
B) False

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Table 7-5 For each of three potential buyers of oranges, the table displays the willingness to pay for the first three oranges of the day. Assume Allison, Bob, and Charisse are the only three buyers of oranges, and only three oranges can be supplied per day. Table 7-5 For each of three potential buyers of oranges, the table displays the willingness to pay for the first three oranges of the day. Assume Allison, Bob, and Charisse are the only three buyers of oranges, and only three oranges can be supplied per day.    -Refer to Table 7-5. The market quantity of oranges demanded per day is exactly 7 if the price of an orange, P, satisfies A)  $0.60 < P < $0.75. B)  $0.60 < P < $2.00. C)  $0.25 < P < $0.75. D)  $0.25 < P < $0.60. -Refer to Table 7-5. The market quantity of oranges demanded per day is exactly 7 if the price of an orange, P, satisfies


A) $0.60 < P < $0.75.
B) $0.60 < P < $2.00.
C) $0.25 < P < $0.75.
D) $0.25 < P < $0.60.

E) None of the above
F) C) and D)

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All else equal, what happens to consumer surplus if the price of a good decreases?


A) Consumer surplus increases.
B) Consumer surplus decreases.
C) Consumer surplus is unchanged.
D) Consumer surplus may increase, decrease, or remain unchanged.

E) A) and B)
F) A) and C)

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Suppose Katie, Kendra, and Kristen each purchase a particular type of cell phone at a price of $80. Katie's willingness to pay was $100, Kendra's willingness to pay was $95, and Kristen's willingness to pay was $80. Which of the following statements is correct?


A) For the three individuals together, consumer surplus amounts to $35.
B) Having bought the cell phone, Kristen is better off than she would have been had she not bought it.
C) Had the price of the cell phone been $95 rather than $80, Katie and Kendra definitely would have been buyers and Kristen definitely would not have been a buyer.
D) The fact that all three individuals paid $80 for the same type of cell phone indicates that each one placed the same value on that cell phone.

E) A) and D)
F) None of the above

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If the United States changed its laws to allow for the legal sale of a kidney, which of the following is least likely to occur?


A) The supply of kidneys would increase.
B) The shortage of kidneys would decrease.
C) Many lives would be saved.
D) The allocation of kidneys would be fair.

E) B) and D)
F) None of the above

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David tunes pianos in his spare time for extra income. Buyers of his service are willing to pay $135 per tuning. One particular week, David is willing to tune the first piano for $115, the second piano for $125, the third piano for $140, and the fourth piano for $175. Assume David is rational in deciding how many pianos to tune. His producer surplus is


A) $-15.
B) $20.
C) $30.
D) $75.

E) A) and B)
F) A) and C)

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Table 7-10 The only four consumers in a market have the following willingness to pay for a good: Buyer Willingness to Pay Table 7-10 The only four consumers in a market have the following willingness to pay for a good: Buyer Willingness to Pay    -Refer to Table 7-10. If the market price for the good is $20, who will purchase the good? A)  Danita only B)  Carolyn and Danita only C)  Ashleigh, Barb, and Carolyn only D)  All four buyers would purchase the good. -Refer to Table 7-10. If the market price for the good is $20, who will purchase the good?


A) Danita only
B) Carolyn and Danita only
C) Ashleigh, Barb, and Carolyn only
D) All four buyers would purchase the good.

E) A) and C)
F) All of the above

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Free markets allocate a) the supply of goods to the buyers who value them most highly and b) the demand for goods to the sellers who can produce them at least cost.

A) True
B) False

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Which of the following is correct?


A) Consumer surplus refers to a situation in which there are more buyers than sellers in a market.
B) Producer surplus refers to a situation in which there are more sellers than buyers in a market.
C) Total surplus is measured as the area below the demand curve and above the supply curve, up to the equilibrium quantity.
D) All of the above are correct.

E) A) and B)
F) A) and C)

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Figure 7-7 Figure 7-7   -Refer to Figure 7-7. What happens to the consumer surplus if the price rises from $100 to $150? A)  The new consumer surplus is half of the original consumer surplus. B)  The new consumer surplus is 25 percent of the original consumer surplus. C)  The new consumer surplus is double the original consumer surplus. D)  The new consumer surplus is triple the original consumer surplus. -Refer to Figure 7-7. What happens to the consumer surplus if the price rises from $100 to $150?


A) The new consumer surplus is half of the original consumer surplus.
B) The new consumer surplus is 25 percent of the original consumer surplus.
C) The new consumer surplus is double the original consumer surplus.
D) The new consumer surplus is triple the original consumer surplus.

E) A) and D)
F) None of the above

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Dallas buys strawberries, and he would be willing to pay more than he now pays. Suppose that Dallas has a change in his tastes such that he values strawberries more than before. If the market price is the same as before, then


A) Dallas's consumer surplus would be unaffected.
B) Dallas's consumer surplus would increase.
C) Dallas's consumer surplus would decrease.
D) Dallas would be wise to buy fewer strawberries than before.

E) A) and B)
F) A) and C)

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