问题
单项选择题
Which of the following statements about the characteristics of a monopoly and those of an oligopoly is least accurate（）
A. In an oligopoly, there are often substantial economies of scale.
B. In both a monopoly and an oligopoly, there are high entry barriers into the market.
C. In an oligopoly, the decisions of each seller are independent of the policies followed by competitors.
答案
参考答案：C
解析：
Standard Ⅱ (C) Prohibition against Plagiarism. By using material prepared by another without acknowledging and identifying the developer of the model, Charlie had committed plagiarism.