question
Suppose Hilda's Handbags makes large handbags and small handbags. Hilda sold 70 large bags for $450 each and 25 small bags for $150 each. Hilda's total revenue was _____ dollars.
answer
35250
question
Suppose Lester's Lassos produced 250 lassos and sold each for $100. Lester's total revenue was _____ dollars.
answer
25000
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Suppose Hilda's Handbags makes large handbags and small handbags. Hilda sold 70 large bags for $450 each and 25 small bags for $150 each. If Hilda had total costs of $20,000, then Hilda's profit would be _____ dollars.
answer
15250
question
Fixed costs are
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costs that don't depend on the quantity of output produced.
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If a firm decreases its quantity of output, then which of the following will definitely be true?
answer
Its fixed costs will stay the same.
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If a firm produces no output, then its
answer
total variable costs equal zero.
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If a firm stops production (shuts down), then its
answer
total variable costs drop to zero.
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If a firm doubles its quantity of output, then which of the following must be true?
answer
Its total costs increase.
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A production function represents
answer
the relationship between the quantity of inputs and the quantity of outputs.
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The increase in output that is generated by an additional unit of input is called
answer
marginal product.
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The marginal product of any input into a production process is
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the increase in output that is generated by an additional unit of the input.
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Marginal product is represented by
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the slope of the total product curve (a.k.a., the production function)
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The slope of the total product curve becomes
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flatter when marginal product decreases.
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When the slope of the total product curve steepens, it means
answer
marginal cost must be falling.
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Average fixed costs
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always trend downward as output increases.
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Average variable cost
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decreases when its value is greater than marginal cost, and increases when its value is less than marginal cost.
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Marginal cost is
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the additional cost a firm will incur by producing one additional unit of output.
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In order to take advantage of economies of scale, a firm must
answer
increase the fixed-to-variable-costs ratio within its short-run cost structure (for example, by increasing its factory size).
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A competitive market is one in which
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fully informed price-taking buyers and sellers easily trade a standardized good.
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An essential characteristic of a perfectly competitive market is that buyers and sellers have
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so much competition that they have no ability set their own price.
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Standardized goods and services are those that
answer
are interchangeable.
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In perfectly competitive markets, transactions costs are
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low or zero.
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Perfectly competitive markets
answer
are more of an idealized model than a real-life occurrence.
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For firms in perfectly competitive markets, the market price is
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A.
constant, regardless of quantity sold.
B.
equal to average revenue for a firm.
C.
equal to marginal revenue for a firm.
D.
All of the above are correct.
constant, regardless of quantity sold.
B.
equal to average revenue for a firm.
C.
equal to marginal revenue for a firm.
D.
All of the above are correct.
question
If a firm in a perfectly competitive market faces a market price of $5 per unit and it decides to produce 400 units of output, its total revenue will be
answer
2,000
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If a firm in a perfectly competitive market is producing a level of output at which marginal costs are less than marginal revenue, it should
answer
increase production to increase profits.
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As long as price remains above average total cost,
answer
A.
total revenue will be higher than total cost.
B.
the firm will be making profits.
C.
price will be greater than average total cost.
D.
All of the above are correct.
total revenue will be higher than total cost.
B.
the firm will be making profits.
C.
price will be greater than average total cost.
D.
All of the above are correct.
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In the short run, the relevant costs for a firm to consider in deciding whether to shut down production are
answer
average variable costs.
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When a firm shuts down production, it
answer
avoids paying variable costs.
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A firm realizes that the market price has fallen below its minimum average total cost, and hence it is now earning a loss. What is the best action for the firm to take (in the short run)?
answer
Stay open if price is greater than its minimum average variable cost.
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The number of firms in a perfectly competitive market
answer
is fixed in the short run.
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From a long-run perspective, firms in a perfectly competitive market will
answer
exit the market if the price is lower than their minimum average total cost.
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Firms will enter a perfectly-competitive market if the existing firms are making
answer
positive profits.
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In a perfectly competitive market, when the price is greater than the minimum average total cost of the representative firm in that market,
answer
positive economic profits are being earned.
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As the equilibrium price falls in a perfectly competitive market, so do firms'
answer
revenues and so do their profits.
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Which of the following holds true in the long run for firms in a perfectly competitive market?
answer
P = MC
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An essential characteristic of a monopolized market is
answer
the good must have no close substitutes.
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A perfect monopoly
answer
controls 90 to 100 percent of the market for a product.
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The fundamental source of monopoly market is
answer
strong barriers to entry.
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Patent and copyright laws are major sources of
answer
government-created monopolies.
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Encouraging firms to invest in research and development and individuals to engage in creative endeavors such as writing novels is one justification for
answer
government-created monopolies.
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Which of the following would be most likely to be a natural monopoly?
answer
a local cable TV provider
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When an industry is a natural monopoly,
answer
the presence of a larger number of firms will lead to higher average costs.
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If government officials were to break a natural monopoly up into several smaller firms, then
answer
the average costs of production across the industry will increase.
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If a monopolist wishes to sell more output, it must
answer
lower its price.
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What is the shape of the monopolist's marginal revenue curve?
answer
a downward-sloping line that lies below the demand curve
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For an ordinary, single-price monopolist, marginal revenue (for all units greater than one) is
answer
less than price.
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When a certain monopolist sets the price of its good at $8 per unit it sells 64 units. When it sets the price at $10 per unit it sells 60 units. The marginal revenue for the monopolist over this range is
answer
-$22 per unit.
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A monopolist firm can sell 150 units of output for $10 per unit. Alternatively, it can sell 151 units of output for $9.95 per unit. The marginal revenue of the 151st unit of output is
answer
$2.45.
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As the monopolist increases output quantity, total revenue will
answer
increase if the quantity effect outweighs the price effect.
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As the monopolist increases its output quantity, the price effect on its total revenue is
answer
negative, but the quantity effect is positive.
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For a monopolist, the price effect
answer
is the decrease in total revenue that results from having to lower price in order to sell greater quantities of output.
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A monopolist maximizes profits by
answer
producing and selling the output quantity at which MR = MC.
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For a monopolist it is the case at its profit-maximizing output quantity that
answer
price is greater than marginal cost.
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Positive profits can persist over time under monopoly if the monopolist
answer
is protected by barriers to entry.
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Competitive firms have
answer
horizontal demand curves, and they can sell as much output as they desire at the market price.
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The monopolist's cost curves differ from those of a perfectly-competitive firm in that the monopolist's
answer
Actually, market structure does not affect the shape of a firm's cost curves, unlike the way it does affect the shape of its revenue curves.
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The demand and marginal revenue curves faced by a monopolist are different from those faced by a perfectly-competitive firm in that the monopolist's
answer
marginal revenue curve is downward-sloping instead of flat.
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Many economists criticize monopolists because they
answer
produce less than the efficient level of output.
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The efficient level of production in a market occurs where the marginal cost curve intersects
answer
demand
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A monopoly is an inefficient way to produce a product because
answer
it produces a smaller level of output than would be produced in a competitive market.
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The practice of charging customers different prices for the same good is called
answer
price discrimination.
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Perfect price discrimination
answer
eliminates all consumer surplus.
maximizes producer surplus.
involves the existence of no deadweight loss.
All of the above are correct
maximizes producer surplus.
involves the existence of no deadweight loss.
All of the above are correct
question
Financial aid to college students, quantity discounts, and senior citizen discounts are all examples of
answer
price discrimination.
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Price discrimination requires firms to
answer
be able to separate customers according to their willingness to pay.
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With respect to social welfare, how does given market under perfect competition compare to that same market if controlled by a monopolist engaging in perfect price discrimination?
answer
In both cases, total social welfare is the same.
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A perfectly-price discriminating monopolist is able to
answer
maximize profit and produce the efficient level of output.
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The U.S. government has used antitrust law
answer
to break up monopolies and limit monopoly power.
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The Sherman Antitrust Act
answer
was actively used by President Roosevelt in the early 20th century.
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In practice, setting the maximum price a natural monopoly can charge
answer
is difficult because of lack of information.
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When government owns a natural monopoly, it can
answer
lose the incentive to be efficient.
produce at a loss, with any shortfall made up by tax revenues.
make business decisions based on political pressures.
All of the above are correct.
produce at a loss, with any shortfall made up by tax revenues.
make business decisions based on political pressures.
All of the above are correct.
question
Which of the following statements is not correct?
answer
The government may break up a natural monopoly in order to lower the price charged to customers.