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本文利用一个拓展的非线性定价模型分析双寡头垄断企业最优非线性定价行为与市场均衡,通过求解得出了非对称均衡结果。本文发现:由于竞争的压力,双寡头企业不能实现垄断定价,在均衡时,低成本企业和高成本企业的非线性价格都低于独家垄断企业制定的非线性价格。在非对称的均衡结果中,低成本企业的边际价格高于边际成本,而高成本企业的边际价格将低于边际成本。
This paper uses an extended non-linear pricing model to analyze the optimal non-linear pricing behavior and market equilibrium of duopoly enterprises. The asymmetric equilibrium results are obtained through solving. This paper finds that due to the pressure of competition, duopoly firms can not achieve monopoly pricing. At equilibrium, the non-linear prices of low-cost firms and high-cost firms are lower than the non-linear prices set by exclusive monopoly firms. In asymmetric equilibrium results, marginal prices for low-cost firms are above marginal costs, while marginal prices for high-cost firms are lower than marginal costs.