On the (Non-)Equivalence of IRR and NPV

On the (Non-)Equivalence of IRR and NPV
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关于 IRR 和 NPV 的(非)等价

DOI:
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发表时间:
2014
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通讯作者:
Thomas A. Weber
Thomas A. Weber
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文献类型:
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作者:
Thomas A. Weber

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内部收益率(IRR)通常被认为不如净现值(NPV)作为评估和排序项目的工具,尽管它与资本成本和其他投资机会的回报具有内在的可比性。我们引入了“选择性IRR”,这是一个返回准则,作为可能IRR的扩展集合的选择,是npv一致的。选择性内部收益率总是存在的,它是唯一的,易于计算的,并且不会遭受项目投资率(唯一已知的另一个npv一致的回报标准)所带来的缺点。
The internal rate of return (IRR) is generally considered inferior to the net present value (NPV) as a tool for evaluating and ranking projects, despite its inherently useful comparability to the cost of capital and the return of other investment opportunities. We introduce the “selective IRR”, a return criterion which, as a selection of an extended set of possible IRRs, is NPV-consistent. The selective IRR always exists, is unique, easy to compute, and does not suffer from drawbacks that befall the project investment rate, the only other known NPV-consistent return criterion.