在发达国家中，为了保住黄金储备，约有六个国家采取了提高再贴现率的人为措施。

And a common artificial respirator of gold reserves among perhaps half-dozen leading countries is the raised rediscount rate.

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通常的理由是基于一个折现现金流量模型；较低的债券收益率意味着降低贴现率，从而提高股票的现值。

The reasoning is usually based on a discounted-cashflow model; a lower bond yield means a lower discount rate and thus a higher present value for shares.

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