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Fuzzy synthetic evaluation is an effective decision-making method in the comprehensive evaluation of things affected by multiple factors. During the evaluation, the evaluation results are expressed in the fuzzy sets, but not denoted in the positive or negative manner absolutely. When evaluating the stamping performance, die engineers generally used some descriptions as ??good forming performance??,...
Riskless interest rate and volatility are two important variables in option pricing model, but are hard to be estimated precisely. The concept of fuzziness is used to describe these variables in this paper. We apply fuzzy set theory to the American put option valuation and extend the fuzzy option pricing model by introducing riskless interest rate and volatility as two trapezoidal fuzzy numbers. The...
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