V2EX irr

IRR

释义 Definition

IRRinternal rate of return 的缩写,中文常译为内部收益率:指使一个项目或投资的净现值(NPV)等于 0 的折现率,用来衡量投资的预期回报水平。(在不同语境中也可能指其他缩写,但金融与投资领域最常见的是此义。)

发音 Pronunciation (IPA)

/a r r/

例句 Examples

The IRR is 12%.
这个项目的内部收益率是 12%。

We compared the IRR of each proposal under different cash-flow assumptions before choosing the most profitable option.
在选择最有利的方案之前,我们在不同现金流假设下比较了各个提案的内部收益率。

词源 Etymology

IRR 来自英文短语 internal rate of return 的首字母缩略形式:internal(内部的)+ rate(比率/利率)+ return(回报)。该概念广泛用于资本预算与投资评估,用一个“内部的”折现率来概括项目的收益能力。

相关词 Related Words

文学与著名作品 Literary & Notable Works

  • Pinciples of Corporate Finance(Brealey, Myers, Allen)在资本预算章节系统讲解 IRR 与 NPV 的比较与局限。
  • Corporate Finance(Berk & DeMarzo)以案例与练习题形式频繁使用 IRR 评估项目。
  • CFA Program Curriculum(特许金融分析师课程教材)在投资项目评价与固定收益等模块中讨论 IRR/收益率相关计算与应用。
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