众所周知,世界上没有任何一个国家的市场是完全竞争的市场,“一切经济生活都是竞争成分和垄断成分的混合物,通行的方式是不完全竞争,而不是完全竞争”。在这种情况下,如何看待独占、市场支配地位或者说垄断状态,是一国反垄断法必须首先回答的问题。由于存在着对独占状态本身是否进行规制的不同取向,也就产生了结构主义和行为主义两种不同的 It is well known that there is no market in any country in the world that is a perfectly competitive market. “All economic life is a mixture of competitive and monopoly components. The way it travels is imperfect competition, not perfect competition.” Under such circumstances, how to treat the monopoly, the dominant market position or the state of monopoly is the question that a country’s antitrust law must first answer. Owing to the existence of different orientations of whether the monopoly state itself is regulated or not, there are also two structural and behavioral differences