V2EX speculative attack

Speculative Attack

定义 Definition

speculative attack(投机性攻击):在金融市场中,投机者集中抛售某种货币或资产(或大量买入外汇/黄金等替代资产),押注其汇率、价格或固定汇率制度将难以维持,从而引发或加剧贬值、储备流失、利率飙升等压力。常见于固定汇率/盯住汇率或市场信心脆弱时期。(在其他语境中也可泛指对某类资产的集中投机性冲击。)

发音 Pronunciation

/spkjltv tk/

例句 Examples

A speculative attack forced the central bank to raise interest rates.
一次投机性攻击迫使央行提高利率。

After rumors spread, investors launched a speculative attack on the currency, draining reserves and pushing the peg toward collapse.
谣言扩散后,投资者对该货币发起投机性攻击,导致外汇储备被消耗,并把盯住汇率推向崩溃边缘。

词源 Etymology

speculative 来自 speculate(推测、投机),源头可追溯到拉丁语 speculari(观察、窥探、推断);attack 源自法语/拉丁语系词,意为“攻击、进攻”。组合成 speculative attack,字面是“投机性的攻击”,在金融语境中特指以获利为目的、集中压某一货币或资产价格的市场行动。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Paul Krugman, Currency Crises(论文与相关文集中讨论投机性攻击与货币危机模型)
  • Maurice Obstfeld & Kenneth Rogoff, Foundations of International Macroeconomics(国际金融章节涉及对固定汇率的投机性攻击)
  • Barry Eichengreen, Globalizing Capital: A History of the International Monetary System(回顾历史中的货币体系与投机性攻击事件)
  • George Soros, The Alchemy of Finance(以市场反身性视角谈及投机行为与对市场的冲击,包括对货币/资产的攻击性操作)
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