边际毛利率
- 网络incremental margin;Gross Profit Margin Ratio;Gross profit margin;Contribution margin ratio
边际毛利率-
证明了任意需求分布下的进货模型，边际效益与进货量之间的函数关系，如何根据边际毛利率进货以及利润与市场份额的关系如何处理等问题。
It has proved the purchase model of arbitrary demand , the functional relations between marginal benefit and purchase , and has showed how to define the quantities of purchase according to the marginal gross profit and how to handle the relations of profit and market share .