Many B2C websites have established their member hierarchy mechanisms to provide price discount to buyers.However, member hierarchy model only considers buyers'transaction amount, which can not reflect com-prehensively buyers'online purchase history.Hence, member hierarchy model is unable to provide accurate dif-ferentiated discount for individual.To solve the above problem, a differentiated discount model for B2C E-commerce was proposed.This model integrated four indicators which can reflect buyers’ online purchase history, including transaction, withdrawal of order, recommend-to-buy and order show; then the four indicators were aggregated into one value.By using min-max normalization, a linear conversion method, the aggregation value was combined with the base discount of member hierarchy to generate a differentiated discount for target buyer. That means the B2C website can implement more accurate one -to -one marketing and price discrimination strategy.The results of simulation experiment set in 360buy.com showed the validity of the new model.%众多B2 C网站已建立起会员等级制度,并据此向买家提供价格折扣。但会员等级制模型仅考虑买家交易金额,无法全面反映买家在线购买历史( online purchase history),故不能准确提供差异化折扣。针对上述问题,提出了一种面向B2 C电子商务的差异化折扣模型,该模型包含能体现买家在线购买历史的交易、退单、推荐购买、晒单等四个指标,将买家在线购买历史聚合为一个综合值,进而通过min-max标准化方法进行线性转换,将转换后的聚合值与会员等级基准折扣结合得到最终的差异化折扣,从而使得B2 C网站可向同级别会员实施更精准的一对一营销和价格歧视策略。以京东商城为背景的仿真实验结果证明了本文新模型的有效性。
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