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JoVE Business
Macroeconomics
美国通货膨胀史
美国通货膨胀史
Business
Macroeconomics
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Business Macroeconomics
History of Inflation in the U.S.

6.5: 美国通货膨胀史

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01:28 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

美国的通货膨胀历经非线性变化,受到经济冲击、政策干预和全球趋势的影响。虽然通货膨胀通常被视为经济过热的结果,但其历史揭示了更为深层的结构性和地缘政治影响。

从通货紧缩到战时的通货膨胀

在1930年代初期,美国经历了大萧条期间的严重通货紧缩。需求急剧下降、银行倒闭和信贷收缩导致消费者价格在1932年下降超过10%。这种通货紧缩压力加剧了经济衰退,促使新政的实施,并转向需求侧刺激政策。

第二次世界大战逆转了这一趋势。大量政府开支用于战时努力,刺激了总需求,造成供给短缺,从而引发了通货膨胀压力。作为应对,价格管理局自1942年起实施了广泛的价格管制。然而,这些管制措施仅延缓了通货膨胀。1946年解除管制后,积压的价格调整压力导致了通货膨胀的剧烈上升。

滞涨与沃尔克冲击

1970 年代带来了不同的通货膨胀挑战。这个时期被称为“滞涨”,其特点是 GDP 增长乏力、失业率高企和持续的通货膨胀。这一不寻常的局面源于供给侧冲击(包括 OPEC 石油禁运)以及国内工资-物价螺旋的蔓延。1979 年通货膨胀达到了顶峰,促使沃尔克领导的 Fed 实施激进的货币紧缩政策。通过将联邦基金利率提高至接近 20%,Fed 打破了通货膨胀预期,但也导致了严重的经济衰退。

现代经济稳定与疫情冲击

从 1980 年代中期至 2010 年代,通货膨胀保持在低水平。主要原因包括央行政策的可信度、全球贸易扩张以及技术生产率的提升。泰勒规则(根据通胀和产出缺口来指导央行设定利率)帮助稳定了市场预期。

然而,COVID-19疫情打破了这一稳定。供应链中断、财政刺激和被压抑的需求推动通胀率在2021年底接近7%。随后的货币紧缩政策帮助将通胀率在2024年降低至约3%,但也再次引发了关于干预措施的长期成本以及通货膨胀控制机制韧性的讨论。

Transcript

美国的通胀如过山车般波动,受战争、经济政策和危机的影响。随着1929年大萧条的临近,通缩开始。到1932年,价格暴跌超过10%。

二战扭转了通缩趋势。战时开支加剧了通货膨胀。为控制价格,美国于1942年引入价格管制,暂时压低价格。1946年这些管制解除后,通货膨胀激增。战后通胀有所缓解——直到1970年代。

那十年出现了“滞胀”,即高通胀、增长停滞和失业率上升的混合体。1979年,油价上涨、工资与物价螺旋上升以及政策失误共同推动了通胀。

美联储的回应是将利率提高到近20%,抑制了通胀,但引发了80年代初的衰退。

随后几十年,强劲的美联储政策、全球化和生产率提升使通胀保持低位直到2021年。

新冠疫情时期的经济冲击重新点燃了这一局面,年底通胀率接近7%,随后到2024年降至约3%。

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通胀 美国 通缩 大萧条 新政 二战 政府支出 价格管制 滞胀 欧佩克石油禁运

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