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在分析北京市自来水市场的实际状况的基础上,建立了一种基于价格歧视的水价形成机制,分析了在预算平衡约束条件下社会福利达到极大值时,居民用水、工业用水与特种用水这3个市场的自来水价格,以及居民用水市场内部的数量分配问题.如此一来,通过利用价格歧视杠杆和财政支出政策,在提高淡水资源配置效率维护自来水价格稳定的同时,将垄断利润转化为社会福利促进社会的公平正义.
Based on the analysis of the actual situation of the tap water market in Beijing, a price formation mechanism based on price discrimination was established. When the social welfare reached the maximum value under the condition of budget equilibrium, this paper analyzed the relationship between residential water, industrial water and special water The price of tap water in three markets and the quantity distribution within the residential water market.Thus, by using the policy of price discrimination and fiscal expenditure, while improving the efficiency of freshwater resource allocation and maintaining the price stability of tap water, monopoly profits are transformed into social Welfare promotes social justice.