（如同饭馆内的自助餐：你尽情吃的边际成本为零）。
It’s like a restaurant with a buffet: the marginal cost ofeating all you want is zero.
在在做错事时，“就着一次”的边际成本看上去总是很低。
The marginal cost of doing something wrong “just this once” always seems alluringly low.
经济学告诉我们在长期中，价格降至边际成本。
Economics tells us that prices fall to marginal cost in the long run.
只要在边际成本以上的任意价位出售机票，是比空航划算的。
At any price above marginal cost, the airline is better off selling a ticket than flying with the seat empty.
他的重点是：一件商品的生产边际成本是零，因此价格也是零。
His central thesis: as the marginal cost of creating a product drops towards zero, its price will do the same.
换句话说，当边际成本的石油消费是平均数的两倍以上。
In other words, when the marginal cost of oil consumption is more than twice the average.
非竞争性意味着有效价格为零，因为增加一个观众的边际成本为零。
Nonrivalry has the implication that the efficient price is zero, since the marginal cost of another viewer is zero.
没有什么能比互联网产业更具竞争性，数字信息的边际成本日益趋零。
There's never been a more competitive market than the Internet, and every day the marginal cost of digital information comes closer to nothing.
吸收成本和边际成本中哪一个与短期决策更相关，为什么？
Which of the two costing principles is more relevant for short-run decision-making, and why?
第一个是，由于收入的增长，他们尽孝道义务的边际成本也就同样提高。
The first is that, as their income rises, the marginal cost of providing services goes up.
当我们面临对错的选择时，我们经常无意识的在生活中使用边际成本法则。
Unconsciously, we often employ the marginal cost doctrine in our personal lives when we choose between right and wrong.
价格不菲的硬盘驱动器(固定成本)可服务成千上万的用户(边际成本)。
That expensive bank of hard drives (fixed costs) can serve tens of thousands of users (marginal costs).
当然，这两个人投入了大量时间来经营生意，但使商业起步的边际成本接近于零。
Of course, the two had poured significant time into the business, but the marginal cost of getting the business off the ground was close to zero.
如果你基于边际成本分析而破例，就象我以前的一些同学一样，你最终会后悔的。
If you give in to "just this once," based on a marginal cost analysis, as some of my former classmates have done, you'll regret where you end up.
但是对于像餐厅这样的商家，这说法行不通，因为它们确实有着很大的边际成本。
But that doesn't describe businesses like restaurants, which do have significant marginal cost.
它们仅仅具有很高的用于研发的固定成本和极低的由新增服用者引发的边际成本。
They typically have very high fixed costs of research and development and low marginal costs of adding additional users.
我用没有边际成本的网络来沟通，用的设备让我安装任何软件，不需要谁的批准。
I use a network thathas no incremental cost forcommunication, and a device that lets me install any software withoutpermission from anyone else.
它未能计入花在窗口修理，地毯清洗，照片冲印，手机，镇静剂上面的边际成本。
It fails to factor in marginal expenditures on window-repairing, rug-cleaning, photo-processing, cell phones, sedatives.
绘出一家典型企业的边际成本和平均总成本曲线。解释其形状和交点。
Draw the marginal-cost and average-total-cost curves for a typical firm. Explain why the curves have the shapes that they do and why they cross where they do.
通过比较这种边际收益与边际成本，他就可以评价多上一年学是否值得。
By comparing these marginal benefits and marginal costs, you can evaluate whether the extra year is worthwhile.
而且当贫瘠或者不那么适合种植的土地被开垦出来后，食品生产的边际成本也提高了。
Moreover, as less fertile or accessible land is brought under cultivation, the marginal cost of food production rises.
针对各段电价的特点，介绍了成本加成定价和边际成本定价两种定价方法。
Introduced two pricing methods considering the character of the electric power: cost-plus pricing and marginal cost pricing.
因市场缺乏引起市场价格偏离社会边际成本是，用影子价格来调整市场价格。
Shadow prices adjust market prices for deviations from social marginal costs due to market imperfections.
免费提供边际成本较低的产品或服务是建立良好口碑的捷径，比你花钱做广告可便宜多了。
Offering low marginal cost items for free is a shortcut to generating word of mouth, which is a lot cheaper than buying ads.
如果没有充分理由认为市场价格偏离了社会边际成本，市场价格就是很好的尺度。
Market prices serve well if there is no strong reason to believe they depart from social marginal costs.
一个理性的决策者只有当一个行动的边际利润大于边际成本时，才会采取这项行动。
A rational decisionmaker takes an action if and only if the marginal benefit of the action exceeds the marginal cost.
一个理性的决策者只有当一个行动的边际利润大于边际成本时，才会采取这项行动。
A rational decisionmaker takes an action if and only if the marginal benefit of the action exceeds the marginal cost.
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