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利用笔者提出的动态竞争模型（ＤＣＭ模型），研究了竞争过程营销组合决策导致市场占有率变化的动态加速现象及其成因，同时分析了不同价格因素敏感度情况下市场占有率变化动态特性，分析了商品竞争中竞价决策的收益动态变化情况．
By using the dynamic competition model (DCM model) proposed by the author, this paper studies the dynamic acceleration and its causes of the change of market share caused by decision-making of marketing process in competitive process, and analyzes the dynamic characteristics of market share changes under different price sensitivity factors. The Dynamic Changes of the Profit of Bidding Decision in Commodity Competition.