In case of changing the single factor, the cost of marginal value should equal to its marginal profit.
在单一要素变动的情况下，边际价值成本应当等于边际价值收益。
Economic coefficient is equal to the product of marginal profit and expressed discounted value for objective trait.
边际效益与性状表现贴现值之积即经济加权因子。
When the marginal profit of the manufacturer is smaller than the retailer, neither strategy is applied by the manufacturer.
当生产商的边际利润较小时，生产商的最优决策是不采取任何一种策略。
Product/market fit means that the cost of acquiring a new customer is less than the marginal profit we make from that customer.
那么当产品切合市场需求，意味着获得一位新客的成本少于从该新客赚取的边际利润。
Then the effects of the substitutable factor, commodity's marginal profit and retailer's price on the order quantity are further studied.
得到如下的结论：零售商的订货量与产品的替代系数边际利润成正比；
Therefore, the reduced law of marginal profit of elements has been strongly influenced and the progressive increase in marginal profit has become a reality.
由此，一直延续不变的要素边际收益递减规律受到了强烈的冲击，要素边际收益递增成为现实。
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。
Knowledge capital is one of originally inherented productive factors of a firm in knowledge economy era, and firm marginal profit space has been extended obviously with increasing knowledge capital.
知识资本是知识经济时代企业内生性生产要素，其边际收益递增的区间明显扩大。
It's commonly viewed as the only equilibrium outcome that each firm earns zero profit in the homogeneous product Bertrand game with constant marginal cost.
在不变边际成本的同质产品伯川德价格博弈中，通常认为唯一均衡结果是各个企业获得零利润的纯战略纳什均衡。
The successful firm will want to replace those products whose profit levels make them marginal ventures with new lines of merchandise that have better profit potential.
成功的企业需要用有潜在的高额利润的新品种来替换那些利润水平只够勉强维持收人的产品。
The first one is based on forecasted marginal price and takes profit as optimizing goal, this model can give IPP a valuable reference when they are making their bidding strategy;
该模型对发电企业竞价策略的制定和运营方式的优化具有现实的指导意义和参考价值：前者有助于发电企业制定有利于本企业取得最大化利润的竞价决策；
The first one is based on forecasted marginal price and takes profit as optimizing goal, this model can give IPP a valuable reference when they are making their bidding strategy;
该模型对发电企业竞价策略的制定和运营方式的优化具有现实的指导意义和参考价值：前者有助于发电企业制定有利于本企业取得最大化利润的竞价决策；
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