marginal
问题描述：
marginal
marginal cost of an activity is a measure of__the activity.
A.what is forgone with every one unit increase in
B.the total cost of
C.the benefit derived from every one unit decrease in the benefit derived from every one unit decrease in
D.the benefit derived from e
E.sun cost ofvery one unit decrease in the benefit derived from every one unit increase in
C.the benefit derived from every one unit decrease in
D.C.the benefit derived from every one unit increase in
E.sunk cost of
答
考的是边际成本的定义.在经济学和金融学中,边际成本指的是每一单位新增生产的产品（或者购买的产品）带来到总成本的增量. 这个概念表明每一单位的产品的成本与总产品量有关.比如,仅生产一辆汽车的成本是极其巨大的,...