Concept and connotation of the economic margin on exploration and production are defined and the determination method for marginal cost and marginal revenue of a petroleum enterprise is discussed.

界定了有关油气资源勘探开发经济边际的概念和内涵，探讨了石油企业边际成本和边际收入的确定方法。

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At the margin, the property cycles might lead to the construction of better buildings, but such modest benefits are outweighed by the accompanying financial and economic instability.

从中而来的利润也可能会再次投入到建筑行业。 如此的平缓收益不足以弥补金融或商业的不稳定性。

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The increase of inferior crude oil processing amount can reduce crude oil cost by a large margin so as to enhance economic benefit of refining enterprises.

增加劣质原油加工量，可大幅降低原油成本，提高炼油企业经济效益。

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When the economic margin is negative, companies tend to revert up to the average and can be good buys.

FORBES: Somewhat Cheap

Finally, Applied slaps a decay factor on each company's earnings that it calculates with variables like firm size and the magnitude of the economic margin.

FORBES: Somewhat Cheap

Over the same time, however, it has an economic earnings margin of -13%.

FORBES: Good And Bad In Small Cap Growth Funds