... continuing cost 继续结转成本 continuous cost function 连续成本函数 controllable costance 可控成本 ...
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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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