Zhaozhang Ren

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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(More)
This paper discusses the measurement of non-life insurance output and added value in the background of catastrophes, using the data of Guangdong province in China. The SVM method is applied to estimate expected claim rates in the paper. We found that the data of claim rate two years before has a primary impact on the present year's expectation in Guangdong.(More)
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