Oligopoly Differs from Perfect Competition and Monopolistic Competition in That

question 50

Multiple Choice

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 analysing oligopoly than they are for analysing 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 firms.

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