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Which factor is NOT a barrier to entry?
control of an input essential for production
government-set barriers such as patents
a ban on certain kinds of advertising
the existence of significant economies of scale
Microsoft and its operating system are often cited as an example of a company that grew
into a monopolist through:
large economies of scale.
Network externalities exist when a good’s value to the consumer rises as:
the number of people who use the good increases.
the number of people who use the good decreases.
the number of people who use the good remains constant.
A monopoly is an industry structure characterized by:
a single buyer and several sellers.
a product with many close substitutes.
a large number of small firms.
barriers to entry and exit.
Large barriers to entry are one reason that a monopoly:
earns an economic profit in the long run.
produces at the minimum average total cost in the long run.
produces with no fixed costs in the long run.
maximizes its profits by producing where P = MC.
The demand curve facing a monopolist is:
horizontal, the same as that facing a perfectly competitive firm.
downward sloping, the same as that facing a perfectly competitive firm.
upward sloping, the same as that facing a perfectly competitive firm.
downward sloping, unlike the horizontal demand curve facing a perfectly
competitive firm.