【摘要】 在经济社会中,交付押金的优惠购物活动作为一种营销手段被频繁地使用,消费者的购买决策也越来越呈现出占线特征。因此,本文采用优化领域新兴的占线算法和竞争分析为消费者设计一类最优购买策略。传统竞争分析假定决策人对未来一无所知,从而导致了过于保守的算法。我们把消费者的风险预期引入到传统的竞争分析中,建立了风险补偿框架下的折扣商品购买模型,并得到了最优购买策略及其竞争比。更多还原

【Abstract】 In the economic society,the discount activities with some money paid in advance has been a popular marketing method.The consumers have to make decisions under uncertainty.Our paper designs some strategies using the rising optimized method of the online algorithms and competitive analysis.However,the traditional analysis assumes the online players have no knowledge about the future,which leads to the conservative analysis.We introduce the risk and reward into the traditional competitive analysis and establish the risk-reward framework.The optimal purchasing strategies together with their competitive ratios are provided finally.更多还原