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bounded variation and that a superhedge is possible if upper bounds on the volatility of the relevant processes are available … this choice on the cost process is analyzed. Referring to bond markets, a thorough study of the implications of volatility … mismatching is made and explicit results are stated for a broad range of volatility scenarios. …
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En 2005 et au début 2006, plus de 50 milliards de dollars de créances ont été remboursés par anticipation par les débiteurs du Club de Paris. Modéliser ces rachats comme l’exercice d’options financières permet d’étudier l’intérêt et le coût de ce type d’opération.
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We introduce a tractable class of non-affine price processes with multifrequency stochastic volatility and jumps. The … and volatility regimes, as asset pricing theory suggests. Empirically, the model matches implied volatility surfaces and …
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-Gatarek-Musiela model (1997). We survey the extensions of these models and their representation in the Black and Scholes world. Our approach …
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