...x)=xp(x) 微积分, 3.5, 页3-35 R称为收益函数(revenue function),它的导数R’则称为边际收益函数(marginal revenue function), 是总收入相对于销售量的变化率。3.
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Plot demand and marginal revenue, and total revenue qp (q) as a function of q.
将需求,边际收益,总收益表示为q的函数。
In this paper I get the profit be maximum, as the revenue function, cost function are continuous differential and the margin revenue equals margin cost, that marginal profit equals zero.
当收入函数、成本函数为连续可微函数,边际收入等于边际成本,即边际利润等于零时,利润最大;但在离散情况下,上述结论不一定成立,并给出反例。
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