寡头垄断市场
oligarch market
oligopoly monopoly market
oligopoly market
oligopoly monopolized market
oligarchic monopolistic market
oligopoly structure
oligopolistic electricity market
三寡头垄断测试
Three Pivotal Supplier(TPS) test
Three Pivotal Supplier TPS test
差异Cournot双头垄断
differentiated Cournot duopoly
出口卖方信贷
seller’s credit on exports
export supplier’s credit