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本文考察了用户垄断存在的基础及其对市场绩效的影响。指出 ,虽然不能断言所有的用户垄断都一定会损害市场绩效 ,但由于厂商或某些政府部门挟持用户垄断势力 ,进入公用事业的上游产业 ,从而必须对排斥竞争的垄断行为作出政策限制。限制某些处于自然垄断或政府垄断地位的公用事业企业投资上游的制造业 ,是市场经济中政府反垄断的核心 ,是鼓励公平竞争的反垄断法的精髓。
This article examines the foundation of user monopoly and its impact on market performance. It points out that although it can not be asserted that all user monopolies will certainly undermine the market performance, the manufacturers or certain government departments host the monopoly power of users and enter the upstream industries of public utilities. Therefore, it is necessary to make policy restrictions on the monopoly activities that exclude competition. The manufacturing industry that limits the investment upstream of some public utility enterprises in the natural monopoly or government monopoly is the core of the government antitrust in the market economy and the essence of the antitrust law that encourages fair competition.