V2EX percentage point

Percentage Point

释义 Definition

percentage point(常简写为 pp)指“百分点”:用于表示两个百分比之间的绝对差值。例如从 10% 到 12% 是增加 2 个百分点(而不是增加 20%)。

发音 Pronunciation (IPA)

/prsentd pnt/

例句 Examples

Interest rates rose from 3% to 4%, an increase of one percentage point.
利率从 3% 上升到 4%,增加了 1 个百分点。

The survey found that support fell by 5 percentage points, from 52% to 47%, which changed the overall outcome.
调查发现支持率从 52% 降到 47%,下降了 5 个百分点,从而改变了整体结果。

词源 Etymology

该表达由 percentage(百分比) + point(点、单位) 组合而成,用来强调“以百分点为单位的差值”。在经济、金融、民调、统计报道中非常常见,用于避免把“百分比变化(relative change)”与“百分点变化(absolute change)”混淆。

相关词 Related Words

文学作品中的用例 Literary Works

“percentage point”更常见于新闻、政策与学术写作;在文学作品中出现相对少。较常见的书面来源包括:

  • Thomas Piketty, Capital in the Twenty-First Century(讨论税率、收入份额等统计指标时会使用类似表达)
  • Charles Wheelan, Naked Statistics(以通俗方式讲解统计概念时涉及百分比与差值的表述)
  • 各类经济学与社会科学研究报告/教材(如宏观经济学、政治学民意研究文本中常见)
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