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Avant les transistors, les ordinateurs fonctionnaient avec des ?
d.
Tubes à néant
100%
a.
Tubes cathodiques
0%
b.
Des diodes
0%
c.
Des ampoules
0%
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Use the figure below to answer the following questions.
Figure 13.2.1
Refer to Figure 13.2.1. If this firm is in monopolistic competition, it produces output
of 40 units.
✅
that is less than 40 units.
❌
of 60 units.
❌
of 80 units.
❌
equal to the output of competing firms.
❌
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Use the figure below to answer the following questions.
Figure 13.2.6
Refer to Figure 13.2.6, which shows the demand curve, marginal revenue curve and cost curves faced by Gap. Gap maximizes its economic profit if it charges ________ per jacket.
$95
0%
$120
40%
$75
0%
$100
0%
$90
60%
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Use the information below to answer the following questions.
Fact 13.3.3
Suppose that Roots' marginal cost of a jacket is a constant $125.00 and the total fixed cost at one of its stores is $1,500 a day. This store sells 20 jackets a day, which is its profit-maximizing number of jackets. Then the stores nearby start to advertise their jackets. The Roots store now spends $2,000 a day advertising its jackets, and its profit-maximizing number of jackets sold jumps to 70 a day.
Refer to Fact 13.3.3. If the nearby firms' advertising decreases the demand for Roots' jackets and makes the demand more elastic, the price of a Roots' jacket ________. If Roots' advertising increases the demand for Roots' jackets and makes the demand less elastic, the price of a Roots' jacket ________.
falls; rises
✅
does not change; does not change
❌
rises; rises
❌
falls; falls
❌
rises; falls
❌
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Use the figure below to answer the following questions.
Figure 13.2.3
Refer to Figure 13.2.3. Assume this firm faces demand curve
D
2
. If the firm produces the efficient quantity, it
makes an economic profit.
0%
is in a long-run equilibrium.
0%
incurs an economic loss.
0%
will face competition from new firms entering the industry.
0%
makes zero economic profit.
❌
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Use the figure below to answer the following questions.
Figure 13.2.6
Refer to Figure 13.2.6, which shows the demand curve, marginal revenue curve and cost curves faced by Gap. Gap maximizes its economic profit if it sells ________ jackets per day.
200
✅
275
❌
240
❌
280
❌
140
❌
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Use the figure below to answer the following questions.
Figure 13.2.2
Refer to Figure 13.2.2. To maximize economic profit, this firm in monopolistic competition produces an output of
80 units.
❌
40 units.
✅
60 units.
❌
70 units.
❌
less than 40 units.
❌
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Use the information below to answer the following questions.
Fact 13.3.2
Suppose that Tommy Hilfiger's marginal cost of a jacket is $100 (a constant marginal cost) and at one of the firm's shops, total fixed cost is $2,000 a day. The profit-maximizing number of jackets sold in this shop is 20 a day. Then the shops nearby start to advertise their jackets. The Tommy Hilfiger shop now spends $2,000 a day advertising its jackets, and its profit-maximizing number of jackets sold jumps to 50 a day.
Refer to Fact 13.3.2. Having a brand name helps Tommy Hilfiger increase its economic profit because
in every type of market, consumers are most comfortable when buying from a firm with a well-known brand name. And the greater the number of consumers, the greater is the economic profit.
0%
a brand name provides an incentive to achieve high and consistent quality, and consumers will purchase goods from Tommy Hilfiger rather than from an unknown producer because they know what to expect from Tommy Hilfiger.
100%
having a brand name lowers total variable cost.
0%
the goal of a brand name is to encourage people to buy just one good. After the initial purchases, Tommy Hilfiger can decrease quality and produce goods at a lower average total cost, which increases economic profit.
0%
having a brand name usually leads to a monopoly.
0%
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Use the information below to answer the following questions.
Fact 13.3.2
Suppose that Tommy Hilfiger's marginal cost of a jacket is $100 (a constant marginal cost) and at one of the firm's shops, total fixed cost is $2,000 a day. The profit-maximizing number of jackets sold in this shop is 20 a day. Then the shops nearby start to advertise their jackets. The Tommy Hilfiger shop now spends $2,000 a day advertising its jackets, and its profit-maximizing number of jackets sold jumps to 50 a day.
Refer to Fact 13.3.2. Tommy Hilfiger uses advertising as a signal because
advertising encourages people to spend regardless of the quality.
❌
by spending large sums of advertising Tommy Hilfiger is signalling that its jackets are high quality.
✅
only firms that can afford advertising have longevity and will be able to honour any future obligations to its customers.
❌
advertising always increases demand and creates a more efficient market.
❌
when Tommy Hilfiger advertises, it forces its competitors to advertise, which raises the competition's average total cost and increases the possibility of the competition incurring an economic loss and leaving the market.
❌
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Use the figure below to answer the following questions.
Figure 13.2.3
Refer to Figure 13.2.3. Assume this firm faces demand curve
D
1
. If this firm in monopolistic competition is maximizing profit,
there will be entry of rival firms into the industry.
0%
the market is efficient.
0%
rival firms will exit the industry.
0%
this firm will exit the industry in the long run.
0%
its profit will rise over time.
0%
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