With the popularization of intemet technologies, distributors apply not only the traditional marketing channels, such as whole and retail sales, but also use intemet online direct marketing channels. However, sometimes there may be conflict with the coexistence of the two kinds of channels in the sense of profit gaining. To solve this problem, study is conducted in this paper for such a supply chain in which product value-added service is provided by the retailers. A dual-channel model with a value-added cost parameter is developed. By this model, it can analyze the profit obtained by a manufacturer with complete and incomplete information, respectively. Results show that a manufacturer' s profit increases if the value-added service cost parameter obtained by the model is shared with the manufacturer. It also shows that when the value-added cost for the distributors is greater than a threshold, the distributors are willing to share such information with the manufacturer such that more profit can be gained for both parts.%随着网络技术的发展,公司除了通过批发、零售这些传统供应渠道进行销售外,还为顾客提供网上购买的直销渠道.但是这种混合渠道销售模式也会引发销售渠道的冲突.为了寻找缓解渠道冲突的策略,基于经销商为产品提供增值服务的情况,建立了带有经销商增值成本参数η的双渠道供应模型,分析了制造商在拥有完全信息和不拥有完全信息情况下的利润函数.研究结果表明:随着增值服务成本参数η的信息被共享,制造商的利润总会增长;当经销商的增值成本大于某一个临界值后,就愿意与制造商共享信息,使两者的利润都得到增加.
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