中文摘要：

非对称信息环境下的物流外包活动中,物流外包方与物流服务提供商之间的关系实际为一种多任务委托代理关系。为同时实现激励和监督两种物流服务提供商道德风险的防范机制,通过建立多元剩余利益分享模型,引入物流服务提供商努力减低物流成本的返还率和提高物流服务质量的索取率,并对模型中相关影响因素做出拓展分析,提出了防范道德风险的控制策略与建议。

英文摘要：

The relationship between the logistics demanders and logistics services provider is the multitask principle - agent system in the logistics outsourcing with asymmetric information. In order to avoid moral hazard of logistics services provider,as the incentive and guideline mechanism,the multiple share - saving model is proposed,including both the return rate for endeavor to reduce logistics costs and the bonus rate for improving quality of logistics services. And the relative influence factors are researched profoundly,in the third party logistics management,some meaningful strategies and advice are put forwards.