Probability and risk models for the price of commodity are studied from the demanding factor.

从商品的需求因素出发研究商品价格的概率和风险模型。

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They have no wish, they declare, to raise the price of commodity X permanently above its natural level. That, they concede, would be unfair to consumers.

他们宣称，他们并不是想要长期把某商品的价格提高到其自然价格水平之上，他们也承认这种干预对消费者是不公平的。

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The price of any commodity is determined by supply and demand.

任何商品的价格，都会受到供需关系的影响。

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Mining stocks can sometimes amplify the volatile movements of precious metals they gather from the earth, especially when there are dramatic movements in the price of the commodity itself combined with no reduction or even increases in the costs associated with mining the commodities themselves.

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However, Johnson also looks for gold stocks to eventually catch up with the price of the commodity.

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The Energy Information Agency earlier this year estimated that exporting gas would raise the price of the commodity domestically.

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