寡头垄断的英文：
oligopoly

Corporate oligopoly
公司寡头垄断

Collusive oligopoly: Oligopoly where participants act as a cartel.
勾结性垄断:参与并作为一个卡特尔行事的垄断行为。

This concept has been used analytically in the linked curve model of oligopoly and the theory of monopolistic competition
这个概念用于分析寡头垄断市场的拗折曲线模型以及垄断竞争理论。