marginal value边际价值

问题描述:

marginal value边际价值
我想问一下关于marginal value也就是边际价值的具体定义,以及需要举例说明一下,因为一直对于定义都很含糊,

marginal value边际价值1.The paper dealt with the defect of present value accounting,discussed the average value,distribution and marginal value of forest and pointed out the problems of ecological con...