价格歧视是常见的支配地位滥用行为类型之一。在反垄断法中引入经济学分析后,人们发现这种行为在许多情况下能够产生重大的效率,需要对其积极效果与消极效果进行权衡。从字面上看,价格歧视行为只要对竞争产生限制,就该受到禁止了。但欧盟与美国的判例法上均突破了条文的束缚,而增加了效率的考察。实际上,它们对支配地位滥用行为(包括价格歧视行为)的分析一般有三个步骤:第一,判明该行为属于哪一种滥用行为,作为分析的起点;第二,分析该行为对竞争一、价格歧视行为的概念、分析步骤及构成要件 Price discrimination is one of the most common types of abuse of domination. After the introduction of economic analysis in the antitrust law, one finds that such behavior can yield significant efficiencies in many situations and requires a trade-off between its positive and negative effects. Literally, price discrimination is forbidden whenever there is a limit to competition. However, the case law of the EU and the United States all broke the shackles of the provisions and increased the efficiency inspection. In fact, their analysis of abuse of dominance (including price discrimination) generally has three steps: first, to determine what kind of abuse the behavior belongs to as a starting point for analysis; second, to analyze the behavior of competition, The concept of price discrimination behavior, analysis steps and constitutional requirements