中文摘要：

近年来关于自有品牌的理论研究成为学术界的一个热点。本文将零售商自有品牌的质量水平设为一个变量，结合目前国内零售商自有品牌产品质量较低的现实，在上游两家生产商下游一家零售商的分析框架下，运用博弈论方法，讨论零售商引入自有品牌对市场绩效的影响。

英文摘要：

The research on retailers＇ store brand has been a hot topic in recent years. Considering the lower quality of domestic store brand products, the paper sets the store brand quality as a parameter and discusses the effects of retailer＇s store brand on market performance in the frame of two upstream manufactures and one downstream retailer.