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總分 95

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作業內容
配分：[5.00] 1.
得分：
5.00 If a price ceiling is binding, then
詳
a. there will be no effect on the market price or quantity sold. 解：
b. there will be a surplus in the market.
D
c. the market will be more efficient than it would be without the price ceiling.
d. there will be a shortage in the market.

配分：[5.00] 2.
得分：
5.00 Which of the following observations would be consistent with the imposition of a
price ceiling that is higher than equilibrium price? After the price ceiling is
established, 詳
解：
a. there will be no effect on the market price or quantity sold.
A
b. a smaller quantity of the good is demanded.
c. a larger quantity of the good is supplied.
d. the price rises above the previous equilibrium.

配分：[5.00] 3.
得分：
5.00 If the government imposes a binding price ceiling on a market, then the price paid
by buyers will
詳
a. decrease, and the quantity sold in the market will decrease. 解：

b. increase, and the quantity sold in the market will increase. A

c. increase, and the quantity sold in the market will decrease.
d. decrease, and the quantity sold in the market will increase.

配分：[5.00] 4.
得分：
5.00 If a price floor is not binding, then
詳
a. there will be a surplus in the market. 解：
b. there will be a shortage in the market.
C
c. there will be no effect on the market price or quantity sold.
d. the market will be less efficient than it would be without the price floor.

配分：[5.00] 5.
得分：
5.00 If the government removes a binding price floor from a market, then the price paid
by buyers will
詳
a. increase, and the quantity sold in the market will increase. 解：

b. increase, and the quantity sold in the market will decrease. C

c. decrease, and the quantity sold in the market will increase.
d. decrease, and the quantity sold in the market will decrease.

配分：[5.00] 6.
得分：
5.00 If a binding price floor is imposed on the pizza market, then
詳
a. the demand for pizza will decrease. 解：
b. the supply of pizza will increase.
C
c. a surplus of pizza will develop.
d. a shortage of pizza will develop.

配分：[5.00] 7.
得分：
5.00 Suppose the equilibrium price of a stick of deodorant is $4, and the government
i m p o s e s a p r i c e f l o o r o f $ 5 p e r s t i c k . A s a r e s u l t o f t h e p r i c e f l o o r, t h e
詳
a. demand curve for deodorant shifts to the left.
解：
b. supply curve for deodorant shifts to the right.
D
c. quantity supplied of deodorant stays the same.
d. quantity demanded of deodorant decreases, and the quantity of deodorant that firms want to
:
 supply increases.

配分：[5.00] 8.
得分：
5.00 Price ceilings and price floors that are binding
a. can have the effect of restoring a market to equilibrium. 詳
b. are desirable because they make markets more efficient and more fair. 解：

c. cause surpluses and shortages to persist because price cannot adjust to the market C
equilibrium price.
d. are imposed because they can make the individuals in the lowest income decile better off
without causing adverse effects.

配分：[5.00] 9.
得分：
5.00 In the housing market, supply and demand are
a. more elastic in the short run than in the long run, and so rent control leads to a larger
shortage of apartments in the short run than in the long run. 詳
b. more elastic in the short run than in the long run, and so rent control leads to a larger 解：
shortage of apartments in the long run than in the short run.
D
c. more elastic in the long run than in the short run, and so rent control leads to a larger
shortage of apartments in the short run than in the long run.
d. more elastic in the long run than in the short run, and so rent control leads to a larger
shortage of apartments in the long run than in the short run.

配分：[5.00] 10.
得分：
5.00 C o n s i d e r t h e U . S . m a r k e t f o r c o ff e e , a m a r k e t i n w h i c h t h e g o v e r n m e n t h a s i m p o s e d
a nonbinding price ceiling. Which of the following events could convert the price
ceiling from a nonbinding to a binding price ceiling? 詳
解：
a. A sharp drop in consumer income; coffee is a normal good.
B
b. Brazilian coffee bean producers refuse to ship to coffee producers in the United States.
c. A government study that shows that consuming coffee increases the incidence of cancer.
d. A large increase in the size of the coffee bean crop; coffee beans are used to produce coffee.

配分：[5.00] 11.
得分：
5.00 If a tax is levied on the sellers of a product, then the demand curve will
詳
a. shift down. 解：
b. shift up.
D
c. become flatter.
d. not shift.

配分：[5.00] 12.
得分：
5.00 A tax on the buyers of smart watches encourages
詳
a. sellers to supply a smaller quantity at every price. 解：
b. buyers to demand a smaller quantity at every price.
B
c. sellers to supply a larger quantity at every price.
d. buyers to demand a larger quantity at every price.

配分：[5.00] 13.
得分：
5.00 Suppose there is currently a tax of $80 per ticket on airline tickets. Sellers of
airline tickets are required to pay the tax to the government. If the tax is reduced
from $80 per ticket to $64 per ticket, then the
a. demand curve will shift upward by $16, and the price paid by buyers will decrease by less than 詳
解：
$16.
b. demand curve will shift upward by $16, and the price paid by buyers will decrease by $16. C
c. supply curve will shift downward by $16, and the effective price received by sellers will
increase by less than $16.
d. supply curve will shift downward by $16, and the effective price received by sellers will
increase by $16.

配分：[5.00] 14.
得分：
5.00 A $ 1 . 9 5 t a x l e v i e d o n t h e b u y e r s o f e n e rg y d r i n k s w i l l s h i f t t h e d e m a n d c u r v e
詳
a. upward by exactly $1.95. 解：
b. upward by less than $1.95.
C
c. downward by exactly $1.95.
d. downward by less than $1.95.
:
配分：[5.00] 15.

得分： Which of the following is not correct?

5.00 詳
a. Taxes levied on sellers and taxes levied on buyers are not equivalent. 解：
b. A tax places a wedge between the price that buyers pay and the price that sellers receive.
A
c. The wedge between the buyers’ price and the sellers’ price is the same, regardless of whether
the tax is levied on buyers or sellers.
d. In the new after-tax equilibrium, buyers and sellers share the burden of the tax.

配分：[5.00] 16.
得分：
0.00 If the government wants to reduce the burning of fossil fuels, it should impose a tax
on
詳
a. only the buyers of gasoline. 解：

b. only the sellers of gasoline. C

c. either buyers or sellers of gasoline.
d. whichever side of the market is less elastic.

配分：[5.00] 17.
得分：
5.00 W h e n a t a x i s p l a c e d o n t h e b u y e r s o f b e e r, t h e
a. sellers bear the entire burden of the tax. 詳
解：
b. buyers bear the entire burden of the tax.
c. burden of the tax will always be equally divided between the buyers and the sellers. D

d. burden of the tax will be shared by the buyers and the sellers, but the division of the burden
is not always equal.

配分：[5.00] 18.
得分：
5.00 Suppose the government imposes a 20-cent tax on the sellers of artificially-
sweetened beverages. The tax would shift
a. demand, raising both the equilibrium price and quantity in the market for artificially
詳
sweetened beverages.
解：
b. demand, lowering the equilibrium price and raising the equilibrium quantity in the market for
artificially sweetened beverages. C
c. supply, raising the equilibrium price and lowering the equilibrium quantity in the market for
artificially sweetened beverages.
d. supply, lowering the equilibrium price and raising the equilibrium quantity in the market for
artificially sweetened beverages.

配分：[5.00] 19.
得分：
5.00 Which of the following causes a shortage of a good?
詳
a. Binding price floor 解：
b. Binding price ceiling
B
c. Tax on the buyers
d. Tax on the sellers

配分：[5.00] 20.
得分：
5.00 Suppose that in a particular market, the supply curve is highly inelastic and the
demand curve is highly elastic. If a tax is imposed in this market, then the
詳
a. sellers will bear a greater burden of the tax than the buyers. 解：
b. buyers will bear a greater burden of the tax than the sellers.
A
c. buyers and sellers are likely to share the burden of the tax equally.
d. buyers and sellers will not share the burden equally, but it is impossible to determine who will
bear the greater burden of the tax without more information.

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