刊物主题:Mathematics Calculus of Variations and Optimal Control Systems Theory and Control Mathematical and Computational Physics Mathematical Methods in Physics Numerical and Computational Methods
出版者:Springer New York
ISSN:1432-0606
文摘
We consider ruin probabilities for an insurance company, which canalso invest in the stock market. The risk process is modeled by a compound Poissonprocess and the stock price by geometric Brownian motion. We show that if the tailsof the claims are light tailed, then the optimal strategy is asymptotically given byholding a constant $-value in the stock position. Furthermore, we show that a kind ofCramér–Lundberg approximation holds for the minimal ruin probability. Everythingis shown under assumptions, which are analogous to the assumptions in the case of theclassical Cramér–Lundberg approximation without investment.
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