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This paper constructs a model for the evolution of a risky security that is consistent with a set of observed call option prices. It explicitly treats the fact that only a discrete data set can be observed in practice. The framework is general and allows for state dependent volatility and jumps....
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This paper is dedicated to risk analysis of credit portfolios. Assuming that default indicators form an exchangeable sequence of Bernoulli random variables and as a consequence of de Finetti's theorem, default indicators are Binomial mixtures. We can characterize the supermodular order between...
Persistent link: https://www.econbiz.de/10005375012
This paper constructs a model for the evolution of a risky security that is consistent with a set of observed call option prices. It explicitly treats the fact that only a discrete data set can be observed in practice. The framework is general and allows for state dependent volatility and jumps....
Persistent link: https://www.econbiz.de/10004968290
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[fre] La mesure quantitative des risques de crédit est associée à une marchéisation accrue du risque de crédit. Nous présentons les principales catégories de dérivés de crédit et leurs utilisations, notamment pour les opérations de titrisation. Nous analysons enfin les facteurs de...
Persistent link: https://www.econbiz.de/10010979132
[fre] La gestion de l'épargne est le processus par lequel les agents économiques ayant des capacités de financement allouent des ressources aux agents ayant des besoins de financement. Après avoir rappelé les grandes caractéristiques de la gestion de l'épargne, nous discutons de quelques...
Persistent link: https://www.econbiz.de/10010979458