question
The short run is the time period
answer
in which some cost are fixed
question
Competitive firms cannot individually affect market price because
answer
Their individual production is insignificant relative to the production of the industry.
question
Marginal revenue is the change in
answer
Total revenue when output is changed.
question
The market price for T-shirts sold in a perfectly competitive market is determined by
answer
Supply and demand.
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Profit per unit is equal to
answer
P - ATC.
question
Normal profit implies that
answer
The factors employed are earning as much as they could in the best alternative employment.
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Economic profit is the difference between
answer
Total revenues and total economic costs.
question
Short-run profits are maximized at the rate of output where
answer
Marginal revenue is equal to marginal cost.
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Economic profit is
answer
Less than accounting profit by the amount of implicit cost.
question
For the perfectly competitive firm, the marginal revenue is always
answer
Constant
question
Which of the following represents the change in total cost that results from a one-unit increase in production?
answer
Marginal cost.
question
In defining economic costs, economists emphasize
answer
Explicit and implicit costs while accountants recognize only explicit costs.
question
The difference between the total revenue and total cost curves at a given output is equal to
answer
Total profit.
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A firm that makes zero economic profits
answer
Covers all its costs, including a provision for normal profit.
question
All of the following are ways a business can earn economic profits except
answer
Maximize implicit costs but not explicit costs.
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In order to sell additional units of their products, competitive firms must
answer
Increase output.
question
Accounting costs and economic costs differ because
answer
Economic costs include the opportunity costs of all resources used, while accounting costs include actual dollar outlays.
question
If price is less than marginal cost, a perfectly competitive firm should decrease output because
answer
The firm is producing units that cost more to produce than the firm receives in revenue, thus reducing profits (or increasing losses).
question
The demand curve confronting a competitive firm
answer
Equals the marginal revenue curve.
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A perfectly competitive firm will maximize profits by choosing an output level where
answer
Price equals marginal cost.
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Normal profit
answer
Covers the full opportunity cost of the resources used by the firm.
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Market structure is determined by the
answer
Number and relative size of the firms in an industry.
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If a perfectly competitive firm is producing a rate of output at which MC exceeds price, then the firm
answer
Can increase its profit by decreasing output.
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When price exceeds average variable cost but not average total cost, the firm should, in the short run,
answer
Produce at the rate of output where MR = MC.
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Explicit costs
answer
Are the sum of actual monetary payments made for resources used to produce a good.
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If a perfectly competitive firm wanted to maximize its total revenues, it would produce
answer
As much as it is capable of producing.
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The marginal cost curve
answer
Is the short-run supply curve for a competitive firm at prices above the AVC curve.
question
Which of the following characterizes a competitive market?
answer
A downward-sloping demand curve for the market.
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If price is greater than marginal cost, a perfectly competitive firm should increase output because
answer
Additional units of output will add to the firm's profits (or reduce losses).
question
A competitive firm
answer
Is a price taker.
question
When a firm is earning positive economic profits, this is an indication that the firm
answer
Is using its resources in the best possible way.
question
Refer to Figure 23.1 for a perfectly competitive firm. In the long run, this firm would stay in this market only if the market price was equal to or higher than
answer
$15.
question
Which of the following is not a characteristic of a perfectly competitive market?
answer
High barriers.
question
In a competitive market, economic profits will
answer
Cause existing firms to expand production.
question
The market structure of the computer industry
answer
Has become more competitive over time.
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If price is below the long-run competitive equilibrium level, there will be
answer
Exit of firms from the market.
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A firm should shut down production when
answer
P < minimum AVC.
question
Investment decisions are made on the basis of the relationship of price to
answer
Long-run average total cost.
question
In a perfectly competitive market in the long run, which of the following is not correct?
answer
Firms are maximizing total revenue.
question
The entry of firms into a market, ceteris paribus,
answer
Reduces the economic profit of each firm already in the market.
question
Perfectly competitive firms cannot individually affect market price because
answer
There are many firms, none of which has a significant share of total output.
question
The entry of firms into a market
answer
Reduces the profits of existing firms in the market.
question
A profit-maximizing producer seeks to
answer
Maximize total profit.
question
If long-run economic losses are being experienced in a competitive market,
answer
Equilibrium price will rise as firms exit.
question
In a perfectly competitive market economy, business failures can benefit society by causing
answer
A reallocation of resources to better uses.
question
The market supply curve in a perfectly competitive market is usually
answer
Upward-sloping.
question
Refer to Figure 23.2 for a perfectly competitive firm. This firm will maximize profits by producing the level of output that corresponds to point
answer
C.
question
Economic losses are a signal to producers
answer
That they are not using resources in the best way.
question
Examples of barriers to entry include
answer
Patents
question
If a new sushi restaurant opens, then
answer
The market supply curve for sushi will shift to the right.
question
Other things being equal, as more firms enter a market, the market supply curve
answer
Shifts to the right.
question
Which of the following characterizes a firm that is in long-run perfectly competitive equilibrium where profits are maximized?
answer
Price equals minimum ATC.
question
The exit of firms from a market, ceteris paribus,
answer
Increases the equilibrium price in the market.
question
Marginal cost pricing means that a firm
answer
Produces up to the output where P = MC for a given market price.
question
If the price of ricotta cheese, an ingredient in lasagna, increases, then
answer
The market supply curve for lasagna will shift to the left.
question
When economic profits exist in the market for a particular product, this is a signal to producers that
answer
Consumers would like more scarce resources devoted to the production of this product.
question
Which of the following is characteristic of a perfectly competitive market?
answer
Zero economic profit in the long run.
question
Which of the following is not a barrier to entry?
answer
Perfect information.
question
A perfectly competitive market results in efficiency because
answer
Price is driven down to minimum ATC.
question
To determine the market supply, the quantities
answer
Supplied at each price by each supplier are added together.
question
All of the following are limitations on the market power of a monopoly except
answer
The ability of a company to control the quantity supplied.
question
Which of the following was the first to prohibit "conspiracies in restraint of trade"?
answer
The Sherman Act.
question
If a firm can raise market price by reducing its output, then
answer
It faces a downward-sloping demand curve.
question
The ultimate market constraint on the exercise of market power
answer
Is the demand curve facing the monopolist.
question
A monopoly
answer
Charges higher prices than competitive firms, ceteris paribus.
question
Which of the following is a barrier to entry in a monopoly market?
answer
A patent on a new product.
question
Which of the following is a barrier to entry in a monopoly market?
answer
Economies of scale.
question
A monopoly
answer
Produces less output than a competitive industry, ceteris paribus.
question
A monopolist has market power because it
answer
Faces a downward-sloping demand curve for its own output.
question
Which of the following is the same for monopoly and competition under the same cost and demand conditions?
answer
The goal of maximizing profits.
question
Which of the following is a barrier to entry into a monopoly market?
answer
Economies of scale.
question
Both a competitive industry and a monopoly
answer
Face downward-sloping market demand curves.
question
Price discrimination does not allow a producer to
answer
Designate a point above the market demand curve as the new equilibrium.
question
Which of the following statements is not correct?
answer
A monopolist's ability to act as a price setter guarantees economic profits in the short run.
question
The primary purpose of antitrust policy in the United States is to
answer
Encourage competition.
question
If the entire output of a market is produced by a single seller, the firm
answer
Is a monopoly.
question
Which of the following is likely to be a monopolist?
answer
A drug firm that has a patent granting it the exclusive right to produce a drug.
question
Monopolists are price
answer
Makers, but competitive firms are price takers.
question
A patent gives a firm the exclusive right to produce a product for
answer
20 years.
question
If a monopolist is producing a level of output where MR exceeds MC, then it should
answer
Increase its output.
question
A monopoly can have a high degree of market power because of all but
answer
The presence of many close substitutes for its product.
question
At equilibrium in a monopoly, economic profits will most likely be
answer
Greater than zero.
question
Which of the following does not contribute to a firm maintaining a monopoly?
answer
The presence of many close substitutes for its product.
question
A barrier to entry is
answer
An obstacle that makes it difficult for new firms to enter a market.
question
If a monopolist is producing a level of output where MR is less than MC, then it should
answer
Lower its output.
question
Price discrimination is best defined as
answer
The selling of an identical good at different prices to different consumers by a single seller.
question
Which of the following is not an example of price discrimination by the only movie theater in town?
answer
Charging one price at all times for all customers.
question
Assume a monopoly confronts the same costs and demand as a competitive industry. In this case, the monopolist produces
answer
Less output and charges a higher price than the competitive industry.
question
A firm can take advantage of economies of scale through
answer
Investment decisions to increase capacity.
question
The price charged by a profit-maximizing monopolist occurs
answer
At a price on the demand curve above the intersection where MR = MC.
question
An imperfection in the market mechanism that prevents optimal outcomes is called
answer
Market failure.
question
When firms are interdependent,
answer
The profit of one firm depends on how its rivals respond to its strategic decisions.
question
When oligopoly firms collude to raise prices,
answer
Each firm benefits, but society loses.
question
Which of the following is not an argument to have less antitrust enforcement?
answer
Oligopolies can lead to less output and higher prices.
question
The only market structure in which there is significant interdependence among firms with regard to their pricing and output decisions is
answer
Oligopoly
question
The soft drink market is dominated by Coke, Pepsi, and very few other firms. The firms often start price wars. The market can best be classified as
answer
Oligopoly
question
The Herfindahl-Hirshman Index is
answer
Used to identify cases worthy of antitrust concern.
question
If all of your friends use the same instant messaging service provider, you are likely to use it too. This behavior may create
answer
A network economy.
question
Suppose the larger firm of a duopoly has sales of $400 million and the smaller firm has sales of $100 million. The market share of the larger firm is
answer
80 percent.
question
A contestable market is
answer
An imperfectly competitive situation that is subject to entry.
question
There are many corn farmers, each of whom produces the same product. The corn market can best be classified as
answer
Perfect competition.
question
Which of the following industries has the highest concentration ratio?
answer
Soft drinks.
question
The concentration ratio for an oligopoly is
answer
Over 60 percent.
question
Which of the following may characterize a monopoly?
answer
Substantial market power.
question
Oligopolists will maximize total profits for all of the firms in the market at the rate of output where
answer
MR = MC for the market.
question
Game theory is
answer
The study of how decisions are made when interdependence exists between firms.
question
If a firm in an oligopoly expands its market share at prevailing prices, its competitors
answer
Lose market share.
question
What is the most likely response by rivals when an oligopolist cuts its price to increase its sales?
answer
Cut their prices.
question
Which of the following is the critical determinant of market power?
answer
The extent of barriers to entry.
question
The correct ranking of degree of market power (from highest to lowest) is
answer
Monopoly, oligopoly, monopolistic competition, perfect competition.
question
When U.S. government regulations that prevent goods from being imported are relaxed, this
answer
Reduces the barriers to entry into U.S. markets.
question
Collusion is undesirable and illegal because
answer
Resources are misallocated and the level of output is restricted.
question
Suppose there are only three firms in a market. The largest firm has sales of $500 million, the second-largest has sales of $300 million, and the smallest has sales of $200 million. The market share of the largest firm is
answer
50 percent.
question
Which of the following market structures is characterized by the absence of market power?
answer
Perfect competition.
question
It is easiest for new firms to enter a
answer
Perfectly competitive market.
question
Market power leads to market failure when it results in
answer
Decreased market output.
question
General Electric and Westinghouse were convicted of
answer
Price-fixing.
question
If an oligopolist is going to change its price or output, its initial concern is
answer
The response of its competitors.
question
Product differentiation
answer
Involves advertising unique product features.
question
If a market changes from oligopoly to perfect competition, then as a result
answer
Output should increase in the long run.
question
Which of the following market structures will have lower prices in the long run than monopoly, ceteris paribus?
answer
Perfect competition, oligopoly, and monopolistic competition.
question
When new firms enter a monopolistically competitive industry, ceteris paribus, the
answer
Market price decreases.
question
A concentration ratio measures the
answer
Proportion of industry output produced by the largest firms.
question
Entry into a market characterized by monopolistic competition
answer
Is frequent because barriers to entry are low.
question
Entry into a market characterized by monopolistic competition is generally
answer
Very easy because few barriers exist.
question
A monopolistically competitive industry is characterized by ________ concentration ratios and ________ entry barriers.
answer
low; low
question
In monopolistic competition, a firm's demand curve is tangent to the ATC curve in the long run because
answer
Entry eliminates economic profit, and exit eliminates losses.
question
Which of the following is true about advertising?
answer
It is a form of nonprice competition.
question
Product differentiation occurs when
answer
Buyers perceive differences in the products of several companies.
question
Which of the following market structures will have only normal profit in the long run?
answer
Monopolistic competition.
question
Monopolistically competitive firms have a "monopoly" element to them because
answer
Brand loyalty gives them a captive audience.
question
A monopolistically competitive firm can raise its price somewhat without fear of great change in unit sales because of
answer
Brand loyalty.
question
When a monopolistically competitive firm advertises, it is attempting to increase
answer
The demand and decrease the price elasticity of demand for its product.
question
In the short run, a monopolistically competitive firm
answer
May make economic profits, but it fails to make economic profits in the long run because of the entry of new firms.
question
Product differentiation refers to
answer
Features that make one product appear different from competing products in the same market.
question
If new firms enter a monopolistically competitive market, the demand curves for the existing firms will
answer
Shift to the left.
question
Each producer in monopolistic competition has
answer
Some market power.
question
Which of the following is not true about advertising?
answer
It results in efficient allocation of resources.
question
When new firms enter a monopolistically competitive industry, the market
answer
Supply curve shifts to the right.
question
Both perfect competitors and monopolistic competitors
answer
Earn zero economic profit in the long run.
question
Which of the following market structures will have lower output in the long run than perfect competition, ceteris paribus?
answer
Monopolistic competition, oligopoly, and monopoly.
question
In monopolistic competition, a firm
answer
Uses nonprice competition.
question
In a monopolistically competitive market with negative economic profits,
answer
Firms will exit until economic profits are zero.
question
Firms in a monopolistically competitive market will
answer
Use the profit-maximizing rule MC = MR.
question
The main difference between perfect competition and monopolistic competition is
answer
The degree of product differentiation.
question
A major difference between monopoly and monopolistic competition is
answer
The number of firms in the market.
question
Monopolistically competitive industries are characterized by all of the following except
answer
Homogenous products.
question
Which of the following is not characteristic of monopolistic competition?
answer
Firms have zero control over price.
question
A major difference between oligopoly and monopolistic competition is that monopolistically competitive firms and oligopolies do not
answer
Have many competitors.
question
If a monopolistic competitor is maximizing profit, it is producing at a point where marginal cost
answer
Is less than price.
question
Students who major in computer science are paid a lot more when they graduate than those who major in philosophy because
answer
Information technology is a growth industry.
question
As labor productivity increases, which of the following shifts in the labor market should occur?
answer
Demand for labor should shift to the right.
question
Workers typically require higher wages in order to work additional hours because of the
answer
Increasing opportunity cost of labor.
question
The change in total revenue associated with one additional unit of input measures
answer
MRP
question
A production process is defined as
answer
The manufacturing of goods and services.
question
If a chair can be sold for $20 and it takes a worker two hours to make a chair, the marginal revenue product of this worker is
answer
$10 per hour.
question
The marginal physical product of labor is equal to
answer
The change in total output divided by the change in quantity of labor.
question
If the wage rate increases, there will be a
answer
Movement up the labor supply curve to the right.
question
When people are standing in line for jobs and there are more applicants than jobs, then the labor market is characterized by a
answer
Surplus of labor.
question
The willingness to work a certain amount of time at a given wage rate is known as
answer
Labor supply.
question
Other things being equal, which of the following would increase the market demand for labor?
answer
An increase in the marginal productivity of labor.
question
The demand for labor is downward-sloping because of
answer
Diminishing returns to labor.
question
The value of an hour of leisure can best be estimated as
answer
The hourly wage that could have been earned.
question
Campbell loves to work. He does not receive any enjoyment from leisure time. The last dollar that he earns each year means just as much to him as the first dollar. Which of the following best describes the shape of Campbell's labor supply curve?
answer
Horizontal
question
If the demand for hair gel increases, the effect on the hair gel manufacturing job market will be to
answer
Increase the demand for labor and increase equilibrium wages.
question
The law of diminishing returns states that, ceteris paribus, the
answer
MPP of labor declines as more labor is employed.
question
The determinants of labor demand include
answer
The leisure-labor trade-off.
question
All of the following are true at the equilibrium wage in a competitive market except
answer
The market demand curve for labor intersects the market supply curve of labor.
question
Assume the apple market is competitive. If citizens want wages and the number of available jobs for apple pickers to increase, the best strategy would be to
answer
Buy more apples.
question
Marginal physical product diminishes as additional workers are hired because
answer
Each worker has an increasingly smaller amount of other factors with which to work.
question
As more hours are worked, the marginal utility of leisure time tends to
answer
Increase
question
Which of the following is not consistent with a minimum wage that is set above the equilibrium wage?
answer
There will be no unemployment.
question
The marginal revenue product of labor is equal to
answer
The marginal physical product multiplied by the marginal revenue of the output.
question
If there is an increase in the number of workers who want to work as accountants, there will be a
answer
Rightward shift of the labor supply curve.
question
If the price of the output produced by a particular type of labor decreases, which of the following shifts should occur in the labor market for the particular type of labor?
answer
Demand for labor should shift to the left.
question
The demand for labor and other factors of production typically decline in a recession because those factors
answer
Are derived from the demand for final output, which also declines in a recession.
question
When there are more qualified applicants than job openings, this indicates that the
answer
Wages being offered are too high.
question
The wage rate is
answer
The payment for labor.
question
If the number of employers for a particular type of labor increases, which of the following shifts should occur in the labor market for the particular type of labor?
answer
Supply of labor should shift to the left.
question
If the MPP of an additional unit of labor is 3 units per hour, product price is constant at $8 per unit, and the wage rate is $26 per hour, then
answer
The additional unit of labor should not be employed because it costs more than it is worth.
question
Trade restrictions
answer
Reduce the gains from trade for the country as a whole.
question
Increased trade restrictions
answer
Reduce total consumption possibilities.
question
If a country engages in trade with other countries, it is known as
answer
An open economy.
question
A beggar-thy-neighbor policy is
answer
The imposition of trade barriers for the purpose of expanding exports.
question
In terms of the world as a whole, imports must equal exports because
answer
Every good exported by one country becomes an import for another country.
question
Specialization in production
answer
Increases output.
question
Over a given period of time, if exports are greater than imports, the result is
answer
A trade surplus.
question
If a country is completely self-reliant in producing goods for its own consumption needs, then
answer
Its consumption possibilities equal its production possibilities.
question
According to the text, which of the following are both imports and exports for the United States?
answer
Cars, computers, and auto parts.
question
Which of the following groups has an interest in encouraging free trade?
answer
Workers in export industries.
question
A country with a comparative advantage in producing computer chips
answer
Has a lower opportunity cost of producing computer chips than its trading partners.
question
What should happen to the equilibrium price and quantity in a market as a result of a quota on imports?
answer
Equilibrium price should go up, and equilibrium quantity should go down.
question
When quotas are eliminated, losers include
answer
Domestic producers.
question
Goods and services purchased from international sources are
answer
Imports.
question
The benefits from international trade include
answer
Greater efficiency in the use of the world's limited resources.