Marginal extraction cost — The cost of mining an additional unit of resource.

边际抽取成本——增加额外一单位资源的我的成本。

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In order to sell an additional unit of output the firm must lower the price of all units sold (not just the marginal one).

为了多销售一单位产品，企业必须将所有出售产品的价格降低，而不仅仅是最后一单位产品。

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The change in total product that results from employing one additional unit of a variable resource together with other fixed resources.

边际实物产品，边际生产实物量从利用一单位额外可变资源加上其他固定资源中产生的总产品的变化。

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It tells you that when you get more and more of something, each additional unit has less value than the one that came before it.

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Due to the permanent gains in worker productivity a firm will likely require fewer employees to support an additional unit of revenue growth than it had in the past.

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An additional lamp unit in each camera ensures that the lighting is right, whatever the situation.

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