众所周知，竞争是加强企业的外部约束，进而提高效率的最有效的手段。传统的竞争性产业价格形成机制改革，主要内容是取消国家的价格管制，由市场来决定价格。电力、铁路、邮电、管输燃气、公共交通等依靠网络提供商品的产业，过去一直是垄断的传统领域，但现代科技和经济理论 As we all know, competition is the most effective way to strengthen the external constraints of enterprises and further improve their efficiency. The reform of the traditional pricing mechanism for competitive industries consists mainly of the abolition of state price controls and the determination of prices by the market. Industries that rely on the Internet to provide goods such as electricity, railways, post and telecommunications, gas pipelines and public transport have traditionally been monopoly traditional areas, but modern science and technology and economic theory