The internal rate of return of fuzzy cash flows.
Stochastica, Tome 13 (1992) no. 1, p. 13.

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An internal rate of return (IRR) of an investment or financing project with cash flow (a0,a1,a2,...,an) is usually defined as a rate of interest r such thata0 + a1(1 + r)-1 + ... + an(1 + r)-n = 0.If the cash flow has one sign change then the previous equation has a unique solution r > -1.Generally the IRR technique does not extend to fuzzy cash flows, as it can be seen with examples (see [2]). In this paper we show that under suitable hypothesis a unique fuzzy IRR exists for a fuzzy cash flow.
Classification : 03E72
Mots-clés : Matemática financiera, Números difusos 
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Loredana Biacino; M. Rosaria Simonelli. The internal rate of return of fuzzy cash flows.. Stochastica, Tome 13 (1992) no. 1, p. 13. https://geodesic-test.mathdoc.fr/item/STO_1992__13_1_39277/