After the introduction of basic model for the survey, this paper tries to relaxthe hypothesis of the basic model from such angels as considering the sale services, setting the type of assumed conjecture for rival's price change, transforming the form of c
After the introduction of basic model for the survey, this paper tries to relaxthe hypothesis of the basic model from such angels as considering the sale services, setting the type of assumed conjecture for rival's price change, transforming the form of c
本文首先给出理论综述的基本模型，从引入销售服务变量，设定零售商的价格猜想类型，改变零售商的竞争方式，考虑信息不对称和交易成本，以及市场的不确定性和需求弹性的变化等多个角度逐次放宽假设条件，归纳出效率改进或反竞争效应两大基本结论。