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JoVE Business
Macroeconomics
美联储与货币供应II
美联储与货币供应II
Business
Macroeconomics
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Business Macroeconomics
Federal Reserve and Money Supply II

5.15: 美联储与货币供应II

148 Views
01:17 min
November 14, 2025
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Please note that some of the translations on this page are AI generated. Click here for the English version.

Overview

美联储通过多种货币政策工具来管理金融体系的流动性。其中之一是贴现率,它直接影响银行在金融压力或流动性短缺期间获取短期融资的难易程度。作为美联储“最后贷款人”职能的一部分,贴现率有助于在金融动荡时期稳定银行业。

贴现窗口如何运作?

当商业银行无法通过银行间借贷满足其准备金要求时,便可向美联储的贴现窗口借款。在此,贴现率决定了直接向中央银行借款的成本。

较低的贴现率意味着 Fed 鼓励银行更为主动地向其借款——通常是在经济活动疲软或信贷供应有限的时期。这一措施使银行能够继续向家庭和企业发放贷款,从而支持支出和投资,进而促进总需求和经济增长。

另一方面,当通货膨胀上升或经济出现过热迹象时,Fed 可能会提高贴现率。这一举措会抑制银行向 Fed 借款,迫使银行在放贷时更加谨慎。结果是信贷扩张放缓,有助于抑制经济过热并控制通胀。

尽管贴现率的使用频率较其他货币政策工具低,但它依然是 Fed 货币政策策略中的重要组成部分——尤其是在金融危机期间。通过调整贴现率并提供紧急资金,Fed 确保银行的偿付能力,并维护公众对金融体系的信任。

Transcript

贴现率,官方称为初级信用利率,是美联储通过“贴现窗口”直接向商业银行放贷时收取的利率。

这一工具是美联储作为最后贷款人的角色之一。考虑银行A。在特殊情况下,当它无法向银行B或银行C借款——通常是联邦基金利率,即银行相互收取的利率——它可能会转向美联储。

如果美联储设定低贴现率,银行向美联储借款会更便宜。这支持了持续向企业和消费者放贷,帮助在压力时期维持货币供应。

如果美联储加息,借贷成本会上升。银行通常避免使用折扣窗口——不仅因为成本问题,还因为借款被视为财务问题的污名。贷款可能会放缓,减少资金流动。

在现代保单中,贴现率的作用虽有限但重要。它作为短期利率的上限,帮助美联储将联邦基金利率控制在目标区间内。

Explore More Videos

美联储 贴现率 货币工具 流动性管理 贴现窗口 最后贷款人 商业银行 准备金要求 中央银行 经济增长

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