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ECON151 Exam 3
University of Delaware (Professor Harris)
45
Economics
Undergraduate 1
12/07/2009

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Cards

Term
Which of the following is a characteristic of perfect competition:
Definition
Freedom of Market Entry
Term
A perfectly competitive firm's marginal cost curve above the minimum point of average variable cost (AVC) is the same as:
Definition
The firm's short-run supply curve
Term
Suppose a firm in a perfectly competitive market discovers that the price of its product is equal to marginal cost (MC) where MC is less than AVC. Given this, the firm:
Definition
Should shutdown immediately
Term
In the short run, a perfectly competitive firm will incur economic loss when marginal revenue (MR) is:
Definition
less than ATC
Term

In the short run, a firm under conditions of perfect competition can:

 

Definition
All the above
Term

Which of the following is LEAST likely to represent a perfectly competitive market:

 

Definition
The market for satellite radio reception
Term
Under perfect competition if some firms are receiving economic profits then:
Definition
all of the above are correct
Term
A profit-maximizing firm would produce ______ of output and charge a price of ______:
Definition
54000 Units $21
Term
The firm's supply curve is given by:
Definition
MC above $7
Term
New firms would enter this market until price equaled:
Definition
$15
Term
The situation above depicts the firm under perfect competition in a long-run equilibrium.
Definition
false
Term
At which level of output is productive efficiency achieved for the firm:
Definition
50
Term
Under perfect competition in the long run market price is determined by:
Definition
the minimum point of ATC
Term
The demand curve confronting a monopolist is:
Definition
the same as the market demand curve
Term
The marginal revenue curve for a momopolist:
Definition
Is positive at low levels of output, then becomes negative at higher output levels
Term
Which quantity of output would the profit-maximizing monopolist produce:
Definition
24
Term
Which price would the profit-maximizing monopolist charge:
Definition
$54
Term
Which of the following would represent the economic profits of the monopolist:
Definition
($54-$32) times 24
Term
Which quantity of output would be the allocatively efficient level of output:
Definition
36
Term
A profit maximizing monopolist will usually set a price:
Definition
Within the elastic portion of its demand curve
Term
Under which of the following situations would a monopolist increase profits by decreasing price and increasing output:
Definition
If it were producing where MC < MR
Term
A monopolist's demand curve is more inelastic than the market demand curve for that good.
Definition
False
Term
For a monopolists straight line, downward sloping demand curve, MR:
Definition
Lies midway horizontally between the demand curve and the vertical axis
Term
Which of the following is an example of a "natural" monopoly:
Definition
railroading in the 19th century
Term
"Natural monopoly" occurs primarily because of:
Definition
large minimum efficient scale of plant combined with limited markets
Term
A monopolist may earn economic profits in both the short run and the long run.
Definition
True
Term
As compared with perfectly competitive markets, monopolies tend to over allocate resources toward the production of their product.
Definition
False
Term
Under pure monopoly, selling price is determined primarily by:
Definition
demand
Term
The primary economic criticism of monopoly is that:
Definition
they restrict output to inefficiently low levels compared to competitive markets
Term
Which of the following is a barrier to entry:
Definition
all of the above
Term
Which of the following is characteristic of monopolistic competition:
Definition
differentiated products
Term
In monopolistic competition, firms usually earn economic profits in the long run because of differentiated products:
Definition
False
Term
Monopolistically competitive firms face a demand curve that is usually:
Definition
downward sloping
Term
Given the information above, the profit-maximizing firm is:
Definition
in short-run equilibrium earning economic profits
Term
A profit-maximizing firm would produce _____ of output and charge a price of _____:
Definition
3000 units $50
Term
In the graph above the individual firm is receiving economic profits.
Definition
True
Term
The demand curve for a monopolistically competitive firm is downward sloping because of:
Definition
differentiated products
Term
Which of the following is a source of product differentiation:
Definition
all of the above
Term
Which of the following is most likely an example of monopolistic competition:
Definition
the market for restaurants
Term
Because of a large number of close substitutes, the demand for a monopolistically competitive firm is:
Definition
highly elastic
Term
Graph 4B depicts:
Definition
a firm in perfect competition earning a normal profit
Term
Graph 4C depicts:
Definition
a firm in monopolistic competition receiving economic profits in the short run
Term
Which graph depicts a firm incurring economic losses:
Definition
Graph 4A
Term
In therms of allocative efficiency, a pure market economy tends to produce too few goods that involve spillover benefits (positive externatlities).
Definition
True
Term
which of the following is an example of a public good in the economic sense:
Definition
all of the above
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