复数： oligopolies

This industry is ruled by only 60 companies which have created an oligopoly .

这个行业仅被60家公司控制，而成了寡头垄断。

Internal economies generate an oligopoly market structure .

内部规模经济特征的产业市场结构是寡头垄断.

Horizontal merger with capacity constraint in cournot oligopoly .

库诺寡占中产能限制下的水平合并分析。

In the past , the chinese have complained loudly that the miners behave like an unaccountable oligopoly .

中国过去曾大声抱怨，称这些矿商的行为像不负责任的寡头。

Since liquidity has proved most important to derivatives traders , the market leans towards a natural oligopoly .

鉴于事实已经证明，对衍生品交易者来说最为重要的是流动性，因此这个市场倾向于自然寡头垄断。