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- W2260752886 abstract "Present paper derives fuzzy economic models to evaluate the economic feasibility of information security investment. The Net Present Value (NPV), and discounted Return on Investment (dRoI) models are proposed for the execution of costbenefit analysis. Since fuzzy results are in the form of a complex nonlinear representation, and do not always provide a totally ordered set in the same way that crisp numbers do, the current paper approximates the resulting fuzzy profitability indexes by a triangular fuzzy number initially, and then uses the Mellin Transform to obtain the means and variances of the triangle fuzzy numbers in order to determine their relative ranking in a decision-making process. The performances of the proposed models are verified by considering their application to a practical illustration, which were used in a previous literature. These investigations not only confirm that the results of the fuzzy economic models are consistent with those of the conventional crisp models, but also demonstrate that the proposed models are more flexible, intelligent and computationally efficient compared to the extension principle fuzzy mathematics approach. The developed models represent readily implemented feasibility analysis tools for use in the arena of uncertain economic decision-making." @default.
- W2260752886 created "2016-06-24" @default.
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- W2260752886 date "2010-04-11" @default.
- W2260752886 modified "2023-09-23" @default.
- W2260752886 title "Fuzzy economic decision-models for information security investment" @default.
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