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York University *
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Subject
Economics
Date
Apr 3, 2024
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docx
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Chp3-4s
For markets to work, governments must
A.monitor an online trading system
B.define and protect property rights.
C.
ensure fair market prices.
D.
do all of the above.
2.
Sunk costs
A.
exceed marginal costs
exceed
marginal
costs.
B.
do not influence smart comma forward minus looking decisions C.
Influence decisions already made.
influence
decisions
already
made.
D.
are the same as marginal costs
are
the
same
as
marginal
costs.
Figure 4.2.2
The Market for Robotic Rubber Ducks
Price
Quantity Demanded
Quantity Supplied
$ 40
$ 50
$ 60
$ 70
$ 80
$ 90
$100
500
450
400
350
300
250
200
300
350
400
450
500
550
600
Look at Table 4.2.2. Consumers learn that rubber ducks wear out batteries quickly. As a result, demand decreases by 100 rubber ducks at each price. The new equilibrium price is $________ and the new equilibrium quantity is ________ rubber ducks.
A.
70; 450 B.
70; 350 C.
50; 450 D.
50; 350 E.
60; 400
For supply decisions, marginal
A.
benefit is measured in dollars.
B.
cost is measured in the same units as it is for demand decisions.
Be
nefit is measured in opportunity cost.
D.
benefit reflects the value of the best alternative activity.
E. Cost is measured in dollars.
If buyers expect the price of gasoline will be higher in the future, the price of gasoline today ¬¬¬_______ and the quantity supplied today _______ .
A.
falls; decreases
B.
rises; increases
C.
rises; decreases
D.
falls; increases
Producer surplus is the area.
A.
below the market price but above the marginal cost curve. B.
above the marginal cost curve.
C.
under the marginal benefit curve but above the marginal cost curve.
D.
under the marginal benefit curve but above the market price. E.
under the marginal benefit curve. The market-clearing price
A.measures the forces of competition between consumers and businesses, and the forces of cooperation between consumers and between businesses.
B.is called the equilibrium price
C.balances the forces of cooperation between consumers and businesses with the forces of competition between consumers and between businesses.
D.all of the above.
How do price adjustments eliminate a surplus?
A.
As price rises, quantity demanded increases and quantity supplied decreases. B.
As price falls, quantity demanded decreases and quantity supplied increases. C.
As price falls, quantity demanded increases and quantity supplied decreases. D.
As price rises, quantity demanded decreases and quantity supplied increases. E.
None of the above are true.
Which statement about markets is true?
A.
buyers compete with sellers
B.
buyers compete with other buyers
C.
sellers compete with buyers
D.
buyers cooperate with other buyers
E.
sellers cooperate with other sellers
Dimitry earns $10 an hour working at Costco. During the school term he works 20 hours a week. In the summer he works 50 hours a week even though his wage is still $10. The explanation is that
A.
the marginal benefit of the wage is higher in the summer.
B.
he expects his wage will be higher in the future.
C.
the marginal opportunity cost of his time is higher during the summer.
D.
the marginal opportunity cost of his time is lower during the summer.
E.
there has been a fall in the price of a complementary product or service.
Market clearing prices
A.
eliminate frustrated buyers.
B.
result when smart choices are coordinated.
C.
are prices that sit still.
D.
balance the forces of competition and cooperation
E.
do all of the above
For markets to work, governments must
A.
monitor an online trading system.
B.
define and protect property rights.
C.
ensure fair market prices.
D.
do all of the above.
Sunk costs
A.
exceed marginal costs
B.
do not influence smart comma forward minus looking decisions.
C.
influence decisions already made.
D.
are the same as marginal costs.
For supply decisions, marginal
A.
benefit is measured in dollars.
B.
cost is measured in the same units as it is for demand decisions.
C.
benefit is measured in opportunity costs
D.
benefit reflects the value of the best alternative activity.
E.
cost is measured in dollars.
If buyers expect the price of gasoline will be higher in the future, the price of gasoline today ¬¬¬_______ and the quantity supplied today _______ .
A.
falls; decreases
B.
rises; increases
C.
rises; decreases
D. falls; increases
Question content area top
Part 1
Producer surplus is the area
A.
below the market price but above the marginal cost curve. B.
above the marginal cost curve.
C.
under the marginal benefit curve but above the marginal cost curve.
D.
under the marginal benefit curve but above the market price. E.
under the marginal benefit curve.
Turnips are an inferior good. A rise in the price of turnips, all other factors remaining the same, A.
increases the quantity demanded of turnips.
B.
increases the quantity supplied of turnips.
C.
decreases the quantity supplied of turnips
D.
increases the supply of turnips
E.
decreases the demand for turnips.
Voluntary exchange occurs in a market so long as the
A.
marginal opportunity cost for the seller is above the price.
B.
marginal opportunity cost for the seller is above the marginal benefit for the buyer.
C.
price is less than the marginal opportunity cost for the seller.
D.
marginal benefit to the buyer exceeds the price.
Many gamblers on slot machines believe that the more they lose, the greater
are their chances of winning on the next turn. The actual chances of winning are random – they do not depend on past turns. Therefore, the money lost already is a
A.
total cost.
B.
opportunity cost.
C.
sunk cost.
D. smart cost.
A.
Since the marginal cost of your time increases,
B.
you give up the least valuable time first.
C.
you continue giving up time so long as you are paid
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