Furthermore, the logarithm cost functions of LECOM models are constructed under the configuration of Monopoly and Duopoly respectively, using the regression analysis of SPSS statistics software.

• 运用SPSS统计软件对仿真得到的样本数据进行回归分析，分别构建西安市本地网LECOM模型在垄断与双寡头市场结构下的对数变换型成本函数。