重卡变速器的国内市场竞争状态,是任何一个现成的经济学模型都无法描述的。现在,法士特,一个企业就占据了重卡市场超过85%的份额。这既不符合市场独占的模型(这种市场模型里,市场上提供产品的只有一家企业,通常都是石油或者电力这样的垄断行业):也不符合寡头垄断行业的模型(古诺模型、斯威齐模型、伯特兰德模型和卡特尔模型这些寡头垄断模型, The status quo of the domestic market for heavy truck transmissions can not be described by any ready-made economic model. Now, Fast, an enterprise accounts for more than 85% of the heavy truck market share. This is neither in line with a market-exclusive model (in which only one firm providing the product on the market is usually a monopoly such as oil or electricity): nor does it conform to the model of an oligopoly (Cournot Wechsler model, Bertrand model and cartel model these oligopoly models,