Oligopoly differs from perfect competition and monopolistic competition in that
A) barriers to entry are lower in oligopoly industries than they are in perfectly competitive and monopolistically competitive industries.
B) demand and marginal revenue curves are more useful for analyzing oligopoly than they are for analyzing perfect competition and monopolistic competition.
C) because oligopoly firms often react when other firms in their industry change their prices, it is difficult to know what the oligopolist's demand curve looks like.
D) the concentration ratios of oligopoly industries are lower than they are for perfectly competitive and monopolistically competitive industries.
Answer: C
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In late 2007 and early 2008, concerns about financial institutions led the Fed to
A) create special lending facilities. B) raise the target for the fed funds rate. C) increase reserve requirements. D) pay interest on bank reserves.
The ..., the smaller is the government purchases multiplier
What will be an ideal response?