网络背景下信息产业垄断的特殊性分析

An Analysis of the Characteristics of Monopoly in Information Technology Industries Supported by Network

文章由网络背景下的信息产业的特性出发,分别从信息产品本身特点以及最低效率规模两个方面的理论分析得到了信息产业呈天生垄断,并在此基础上分析得出了这种垄断的特殊性,也就是壁垒缺失下的潜在竞争使得垄断仍有效率。发现通过消费预期和消费者剩余的关系得到信息产品垄断对福利的影响并不大,所以这样的垄断也就有合理性。并通过对现有信息产业内的实例分析,印证了该结论。

This paper attempts to make an analysis of the characteristics of information technology industries. Monopoly happens naturally in IT industries because of the two reasons： characteristics of IT products and minimum efficient scale （MES）. The monopoly shows the characteristics that the monopoly is efficient with potential competition even though barriers to entry lacks. The paper comes to the conclusion by analyzing some examples that monopoly is reasonable for the monopoly does not affect the welfare in consideration of the relationship between the consumer expectation and consumer surplus for IT products.