三度价格歧视的数量分析

Quantitative Analysis of the Third Degree Price Discrimination(37)

本文在给定市场划分和线性需求函数的条件下，研究了两种定价方式下垄断厂商的利润最大化问题，给出了有关最优量的计算公式和利润最大化的计算步骤；还给出了两种定价方式下最大利润差的计算公式，该公式表明，最大利润差仅仅取决于给定的市场需求条件，而与厂商的成本函数完全无关；

This paper discusses the problem of maximizing the profit of perfect monopoly market under the conditions of price discrimination and single price.It is proved that for any cost function TC(Q), TP 1, the maximum profit under the condition of price discrimination is not less than TP 2, the maximum profit under the condition of single price, that is TP 1≥TP 2.The sufficient and necessary conditions of TP 1>TP 2 and TP 1=TP 2 are also given respectively.It is also proved that the difference of maximum ...