Multiple Choice
Oligopoly differs from monopoly as follows:
A) Oligopoly involves a few firms; monopoly involves a single firm.
B) Oligopoly does use advertisement; monopoly does not use advertisement.
C) Oligopoly involves free entry; monopoly involves no free entry.
D) Oligopoly involves a few firms; monopoly involves a single firm and oligopoly involves free entry; monopoly involves no free entry.
Correct Answer:

Verified
Correct Answer:
Verified
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