Transcript Ch4

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Demand and Supply
4
CLICKER QUESTIONS
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Checkpoint 4.1
Checkpoint 4.2
Checkpoint 4.3
Question 1
Question 4
Question 7
Question 2
Question 5
Question 8
Question 3
Question 6
Question 9
Question 10
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CHECKPOINT 4.1
Question 1
When the price of a cell phone falls and other things remain
the same, the quantity of cell phones demanded ________,
and the demand for cell phone ______.
A.
B.
C.
D.
E.
is unchanged; increases
decreases; is unchanged
decreases; decreases
increases; is unchanged
increases; increases
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CHECKPOINT 4.1
Question 2
The shift of the demand curve for
pizza illustrated in the figure could be
the result of
A. a rise in income if pizza is a
normal good.
B. a fall in the price of fried
chicken, a substitute for pizza.
C. consumers coming to believe
that pizza is unhealthy.
D. the belief that pizza will fall in
price next month.
E. a fall in the price of a pizza
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CHECKPOINT 4.1
Question 3
Pizza and tacos are substitutes. If the price of a pizza rises,
then _______.
A. the demand for pizzas decreases and the demand for
tacos increases
B. the demand for both goods decreases
C. the quantity of tacos demanded increases, and the
quantity of pizza demanded decreases
D. the quantity of pizza demanded decreases, and the
demand for tacos increases
E. the demand for each good decreases because both are
normal goods
CHECKPOINT 4.2
Question 4
The quantity supplied of a good, service, or resource is
____ during a specified period and at a specified price.
A.
B.
C.
D.
E.
the amount that people are able to sell
the amount that people are willing to sell
the amount that people are able and willing to sell
the amount that people are willing and able to buy
the amount sold
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CHECKPOINT 4.2
Question 5
An increase in the productivity of workers who sew jeans will
result in _______.
A. the quantity of jeans supplied increasing
B. the supply of jeans increasing
C. buyers demanding more jeans because they are now
more efficiently produced
D. buyers demanding fewer jeans because their price will
fall, which signals lower quality.
E. some change but the impact on the supply of jeans is
impossible to predict.
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CHECKPOINT 4.2
Question 6
Suppose the price of leather used to produce shoes
increases. The higher price of leather ____ the supply of
shoes, and the supply curve of shoes ____.
A.
B.
C.
D.
E.
increases; shifts rightward
increases; shifts leftward
decreases; shifts rightward
decreases; shifts leftward
does not change; does not shift
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CHECKPOINT 4.3
Question 7
Which of the following statements is correct?
i. A surplus of a good puts downward pressure on the price
of the good.
ii. A shortage of a good puts upward pressure on the price
of the good
iii. At the market equilibrium, there’s no surplus or shortage.
A.
B.
C.
D.
E.
i and ii
i and iii
ii and iii
i, ii, and iii
only iii
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CHECKPOINT 4.3
Question 8
If the price of lettuce used to produce tacos increases, then
the equilibrium price of a taco ____, and the equilibrium
quantity of tacos ____.
A.
B.
C.
D.
E.
rises; increases
rises; decreases
falls; increases
falls; decreases
does not change; decreases
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CHECKPOINT 4.3
Question 9
When the number of buyers of ceiling fans increases,
A. quantity of ceiling fans demanded increases, and a
surplus of ceiling fans occurs.
B. demand for ceiling fans increases, and the price of a
ceiling fan rises.
C. demand for ceiling fans increases, and a surplus of
ceiling fans occurs.
D. supply of ceiling fans increases, and the price of a ceiling
fan doesn’t change.
E. both the demand for and supply of ceiling fans increases.
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CHECKPOINT 4.3
Question 10
If the supply of milk
decreases by 45 cartons, the
price of milk ______.
A.
B.
C.
D.
E.
falls to $1.25 a carton
rises to $2.00 carton
rises by 25 cents a carton
falls by 25 cents a carton
doesn’t change
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The Market for Milk