V2EX natural rate

Natural Rate

释义 Definition

自然率;自然水平(经济学):在不受短期政策或暂时性冲击扭曲的情况下,由经济结构性因素(如技术、偏好、市场摩擦、制度等)决定的长期均衡“率”。常见搭配包括 natural rate of unemployment(自然失业率)natural rate of interest(自然利率)。在其他学科中也可泛指“自然增长率/自然发生的速率”等,但经济学用法最常见。

发音 Pronunciation (IPA)

/nt()rl ret/

例句 Examples

The natural rate of unemployment is about five percent.
自然失业率大约是5%。

If the central bank keeps interest rates far below the natural rate for too long, inflationary pressures may build even when unemployment looks low.
如果央行把利率长期维持在远低于自然利率的水平,即使失业率看起来不高,通胀压力也可能逐渐累积。

词源 Etymology

natural 源自拉丁语 natura(“自然、天性”),经由法语进入英语,含“由自然状态决定的”。rate 源自拉丁语 rata(“计算、比例”相关),后来发展为“比率、速度、费率”。合在一起的 natural rate/strong> 在经济学中强调“由经济的自然/结构条件所决定的长期均衡比率”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Milton Friedman, The Role of Monetary Policy(1968):提出并普及“自然失业率(natural rate of unemployment)”框架。
  • Edmund S. Phelps, Inflation Policy and Unemployment Theory(1972)及相关论文:发展“自然率/预期”视角下的失业与通胀分析。
  • N. Gregory Mankiw, Principles of Economics(多版):教材语境中讲解自然失业率与长期均衡。
  • Olivier Blanchard, Macroeconomics(多版):在宏观模型与政策讨论中使用“自然率/自然水平”等概念。
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