The Reinvestment Rate Assumption Fallacy for IRR and NPV: A Pedagogical Note

Carlo Alberto Magni and John D. Martin

MPRA Paper from University Library of Munich, Germany

Abstract: The mistaken notion that the internal rate of return (IRR) and net present value (NPV) have required reinvestment rate assumptions built into them was debunked long ago in the academic finance literature. There are no reinvestment rate assumptions built into, or implicit to, the computation and use of either the IRR or NPV. In this brief note, we first review the theoretical underpinnings of the rate of return assumption fallacy and offer two possible origins from the academic finance literature that may have been responsible for the fallacy.

Keywords: internal rate of return; reinvestment rate; NPV; MIRR (search for similar items in EconPapers)
JEL-codes: G0 G11 G31 (search for similar items in EconPapers)
Date: 2017-12
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Persistent link: https://EconPapers.repec.org/RePEc:pra:mprapa:83889

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