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「A-level经济学课堂」寡头垄断是什么?其特征是?
An oligopoly is an industry dominated by a few large firms. For example, an industry with a five-firm concentration ratio of greater than 50% is considered an oligopoly. 寡头垄断是指由少数大公司主导的行业。例如,五家公司集中率超过50%的行业被认为是一个寡头垄断。
发布时间:2023-07-01 04:30:40
作者:Alevel课堂