Econ Final Study Guide
If tourists are charged a much higher price than the natives of a country for exactly the same item, what kind of pricing is involved?
Price discrimination.
To maximize profits, a competitive firm will seek to expand output until
Price equals marginal cost.
A perfectly competitive market results in efficiency because
Price is driven down to minimum ATC.
Which of the following is characteristic of a perfectly competitive market?
A large number of firms.
Economic profit is the difference between
total revenues and total economic costs.
For a competitive market in the long run,
Economic profits induce firms to enter until profits are normal.
Investment decisions are made on the basis of the relationship of price to
Long-run average total cost.
A monopolist will not use marginal cost pricing because at that output
MC is greater than MR.
Which of the following rules is satisfied when a monopoly maximizes profits?
MR = MC.
Monopolists are price
Makers, but competitive firms are price takers.
In monopoly and perfect competition, a firm should expand production when
Marginal revenue is above marginal cost.
If an oligopoly market is contestable and new firms enter, the
Market power of the former oligopolists will be reduced.
A profit-maximizing producer seeks to
Maximize total profit.
Which of the following is an argument in favor of a competitive market structure rather than monopoly?
Monopolies produce less at a higher price than competitive markets, ceteris paribus.
The correct ranking of degree of market power (from highest to lowest) is
Monopoly, oligopoly, monopolistic competition, perfect competition.
When a computer firm is producing a level of output at which MC is greater than price, from society's standpoint the firm is producing too
Much because society is giving up more to produce additional computers than the computers are worth.
Profit per unit is equal to
P - ATC
In which of the following cases would a firm exit from a market?
P < long-run ATC.
If a firm decides to make the investment decision to expand its capacity, then it must have discovered that
P > ATC.
A perfectly competitive firm should expand output when
P > MC.
If a firm finds that its marginal cost is greater than its price, it
Should reduce production.
The number of firms in an oligopoly must be
Small enough so that one firm's decisions have a significant impact on the decisions of the other firms in the industry.
To determine the market supply, the quantities
Supplied at each price by each supplier are added together.
Which of the following prohibits price discrimination, certain types of mergers, and interlocking boards of directors among competing companies?
The Clayton Act.
Which is the best explanation for why individuals own small businesses?
The expectation of profit.
The Herfindahl-Hirshman Index is
Used to identify cases worthy of antitrust concern.
Price-discriminating firms that sell in two markets will charge higher prices in the market, ceteris paribus,
With the more price-inelastic demand.
What is a characteristic of a perfectly competitive market?
Zero economic profit in the long run.
If a perfectly competitive firm wanted to maximize its total revenues, it would produce
as much as its capable of producing.
The demand curve confronting a competitive firm is
horizontal, while market demand is downward-sloping.
Marginal cost is the increase in total cost associated with a one-unit
increase in production.
If the entire output of a market is produced by a single seller, the firm
is a monopoly.
Which of the following types of markets does a single firm have the most market power?
monopoly
Which of the following may not characterize an oligopoly?
no market power.
The fact that a perfectly competitive firm's total revenue curve is an upward-sloping straight line implies that
product price is constant at all levels of output.
Economists assume the principal motivation of producers is
profit.
The short run is the time period in which
some costs are fixed.
The market price for T-shirts sold in a perfectly competitive market is determined by
supply and demand.
Economic losses are a signal to producers
that they are not using their resources in the best way.
Implicit cost are
the costs to produce a good or service for which no direct payment is made.
Profit is
the difference between variable costs and fixed costs.
Normal profit implies that
the factors employed are earning as much as they could in the best alternative employment.
The best measure of the economic cost of doing your homework is
the most valuable opportunity you give up when you do your homework.
Explicit costs are
the sum of actual monetary payments made for resources used to produce a good.
Competitive firms cannot individually affect market price because
their individual production is insignificant relative to the production of the industry.
The difference between the total revenue and total cost curves at a given output is equal to
total profits.
A firm maximizes total profit when
total revenue exceeds total cost by the greatest amount.
Market power leads to market failure when it results in
Decreased market output.
A competitive firm is
a price taker.
Price discrimination does not allow a producer to
Designate a point above the market demand curve as the new equilibrium.
Which of the following is a barrier to entry in a monopoly market?
A patent on a new product.
Suppose a monopoly concrete contractor builds 20 driveways per month for $10,000 each. In order to increase sales to 21 driveways, the contractor must lower the price of driveways to $9,500. The marginal revenue of the 21st driveway is
-$500.
A patent gives a firm the exclusive right to produce a product for
20 years.
Which of the following characterizes a competitive market?
A downward-sloping demand curve for the market.
A cartel is
A public agreement between firms or countries to restrict production and raise prices.
The equilibrium price of a good or service in a competitive market is
A reflection of the opportunity cost of producing the product.
A barrier to entry is
An obstacle that makes it difficult for new firms to enter a market.
If two products are homogeneous, then they
Are identical.
In a contestable market,
Barriers to entry and long-run economic profits are low.
Any firm that has economies of scale will
Be able to produce at a lower unit cost as it increases production.
A monopoly
Charges higher prices than competitive firms, ceteris paribus.
High profits in a particular industry indicate that
Consumers want more of that industry's goods.
Market power is the ability of a firm to
Control the price and quantity supplied.
Which of the following is a barrier to entry in a monopoly market?
Economies of scale.
Which of the following is a barrier to entry into a monopoly market?
Economies of scale.
The primary purpose of antitrust policy in the United States is to
Encourage competition.
If long-run economic losses are being experienced in a competitive market,
Equilibrium price will rise as firms exit.
Both a competitive industry and a monopoly
Face downward-sloping market demand curves.
A monopolist has market power because it
Faces a downward-sloping demand curve for its own output.
Price-discriminating firms charge higher prices to those who
Have lower price elasticities of demand.
Which of the following is characteristic of a perfectly competitive market?
Identical products.
If a monopolist is producing a level of output where MR exceeds MC, then it should
Increase its output.
A firm can take advantage of economies of scale through
Investment decisions to increase capacity.
Temporary price reductions intended to drive out competition are referred to as
Predatory pricing.
Borden, Inc., which sold milk to Texas Tech University, public schools, and hospitals, paid $8 million in fines for
Price-fixing.
A monopoly
Produces less output than a competitive industry, ceteris paribus.
Marginal cost pricing means that a firm
Produces up to the output where P = MC for a given market price.
Oligopolists have a mutual interest in coordinating production decisions in order to maximize joint
Profits.
The exit of firms from a market, ceteris paribus,
Reduces the economic losses of remaining firms in the market.
The entry of firms into a market, ceteris paribus,
Reduces the economic profit of each firm already in the market.
The entry of firms into a market
Reduces the profits of existing firms in the market.
If someone invents a better way to produce frozen pizzas, then
The market supply curve for frozen pizzas will shift to the right.
Which of the following does not contribute to a firm maintaining a monopoly?
The presence of many close substitutes for its product.
Price discrimination is best defined as
The selling of an identical good at different prices to different consumers by a single seller.
The potential for maximizing total industry profits is greater in oligopolies than in perfect competition because
There are fewer firms and each is dependent on the actions of rivals.
When firms in a competitive market are experiencing zero economic profits, this is an indication that
There is currently no better way to use society's scarce resources.
The long run is
a period long enough for all inputs to be variable.
If price is greater than marginal cost, a perfectly competitive firm should increase output because
additional units of output will add to the firm's profits (or reduce losses).
A firm cannot maintain above-normal profits over the long run unless
barriers to entry exist.
Fixed costs are
constant in the short run.
For the perfectly competitive firm, the marginal revenue is always
constant.
When the short-run marginal cost curve is upward-sloping,
diminishing returns occurs with greater output.
If diminishing returns exist, then
each unit produced will cost incrementally more.
Which of the following is an investment decision in a competitive market?
entry to exit.
At equilibrium in a monopoly, economic profits will most likely be
greater than zero.
This not a characteristic of a perfectly competitive market?
high barriers.
Market structure is determined by the
number and relative size of the firms in an industry.
Which of the following market structures is characterized by the absence of market power?
perfect competition.
This is not a barrier to entry?
perfect information.
A perfectly competitive firm will maximize profits by choosing an output level where
price equals marginal cost.
