Chapter 13: Monopolistic Competition and Oligopoly

A firm in an oligopolistic market
can set its price and output to maximize profits

What attributes to the real differences in differentiating between goods and services?
-functional features

The demand curve for a monopolistically competitive firm is

An _______ is a market dominated by a few large producers of a homogeneous or differentiated product

In long-run equilibrium, monopolistically competitive firms
will just break even and will make no economic profit

Firms often merge, forming oligopolies, in order to
-increase control over price
-gain greater control over market supply
-become a larger buyer of inputs

Two types of market models that closely approximate many markets in the real world are
monoplistic competition and oligopoly

In the short run, monopolistically competitive firms maximize profits or minimize losses by producing the output level where
marginal revenue equals marginal cost

Entry of new firms into monopolistically competitive industries is relatively easy because
capital requirements are low

When measuring industry concentration, the four-firm concentration ratio is the percentage ratio of total industry _______ for the four largest firms in an industry realitive to total industry sales

Oligopolistic behavior implies that oligopolists prefer competition
-through product development
-through advertising

Oligopolies have:
fewer firms than monopolistic competition

The equality of price and minimum average total cost yields technical ________ efficiency; the equality of price and marginal cost yields ________ efficiency
productive, allcoative

Multiple models are used to study oligopolies because oligopolies
-encompass a greater range and diversity of market situations
-cannot estimate both their demand and marginal revenue curves due to rivals’ reactions

Firms in an oligopoly may produce
either a homogeneous product or a differentiated product

Productive efficiency in monoploistically competitive markets does not occur in the long run because firms set the price
on the demand curve where MR=MC to maximize economic profit, making output less than optimal for society’s perspective

______ means illegal cooperation with rivals

To achieve economic efficiency that reduces the number of resources used but increases the number of socially optimal outputs requires a triple equality. The three components that must be equal are?
-marginal cost
-minimum average total cost

Three models used to study pricing and output by oligopolies are
-the kinked-demand curve model
-price leadership model
-collusive pricing model

Compared to monopolies, oligopolies
give the appearance of increased competition

What does a demand curve look like for an oligopolist?
it could be a straight line or kinked line

Advertising increases efficiency by
-facilitating the introduction of new products
-lowering search costs for consumers

What helps a product differentiate from another
-varying degrees of customer service
-more or less convenient locations
-different physical characteristics

A monoplistically competitive firm’s demand curve is
downward-sloping like the demand curve for a monopoly, not horizontal like those in purely competitive markets

The benefits to oligopolists from collusion are:
-it possible prohibits the entry of new rivals
-it increases profits
-it reduces price uncertainty

Firms in monopolistic competition produce goods with:
-varying degrees of customer service
-slightly varying physical characteristics

The study of how people behave in strategic situations is called ______ _______
game theory

Which of the following correctly describes the difference between products under pure competition versus products under monoplistic competition
Standardized products are sold in pure competition but differentiated products are sold in monopolistic competition

When the ______ is stable, oligopoly prices tend to be stable

In the long-run equilibrium, monopolistically competitive firms
will just break even and make no economic profit

When plant and equipment are underused because firms are producing less than minimum-ATC output, this is known as having _______ _______
-excess capacity, productive inefficiency

In the long run, if a monopolistically competitive firm is earning normal profits (breaking even), then it should
not exit the industry because both explicit and implicit costs are covered

Which of the following are attributes that provide real differences in differentiating between goods and services?
-function features

Which of the following are shortcomings of the kinked-demand analysis of oligopoly?
-Oligopoly prices are not as rigid as the kinked-demand theory implies
-The kinked-demand curve explains price inflexibility not price itself

Managers can identify excess capacity by measuring the gap between
the minimum average total cost output and the profit-maximizing output

What are the typical characteristics of monopolistic competition
-no collusion
-small market share

The use of advertising by oligopolists
-may increase or decrease prices
-may increase or decrease competition

Advertising may decrease economic efficiency if it
increases monopoly power

The Herfindahl index equals:
the sum of the squared percentage market shares of all firms in an industry

Oligopolies typically are not desirable because they
do not achieve allocative efficiency because their price exceeds marginal cost

In a non-collusive olgiopolistic industry, prices are generally stable for the following?
-demand reasons
-cost reasons

What are the positive effects of large oligopolists not advertising?
-a reduction of advertising would help lower prices and possible increase product output
-the lack of manipulative info would reduce the chance of a firm becoming a monopoly

Advertising can reduce efficiency by
-providing misleading info
-manipulating consumer preferences

An olgopolistic firm’s marginal revenue curve is made up of two segments if:
its rivals match a price cut but ignore price increse

Barriers to entry into an oligopoly most resemble those of a:
pure monopoly

Firms in an oligopoly may produce
either a homogeneous product or a differentiated product

Monopolistically competitive firms are not productively efficient because
output is less than society’s optimal level because a producer’s average total cost per unit is not at its lowest possible cost

A monopolistically competitve firm may be able to continue earning profit in the long run
through further product differentiation

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