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Explicit Solutions for Survival Probabilities in the Classical Risk Model

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  • Garcia, Jorge M.A.

Abstract

The purpose of this paper is to show that, for the classical risk model, explicit expressions for survival probabilities in a finite time horizon can be obtained through the inversion of the double Laplace transform of the distribution of time to ruin. To do this, we consider Gerber and Shiu (1998) and a particular value for their penalty function. Although other methods to address the problem exist, we find this approach, perhaps, more direct and simple. For the analytic inversion, we have applied twice, after some algebra, the Laplace complex inversion formula.

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  • Garcia, Jorge M.A., 2005. "Explicit Solutions for Survival Probabilities in the Classical Risk Model," ASTIN Bulletin, Cambridge University Press, vol. 35(1), pages 113-130, May.
    • Handle: RePEc:cup:astinb:v:35:y:2005:i:01:p:113-130_01
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    Cited by:

    1. Dimitrova, Dimitrina S. & Kaishev, Vladimir K. & Zhao, Shouqi, 2016. "On the evaluation of finite-time ruin probabilities in a dependent risk model," Applied Mathematics and Computation, Elsevier, vol. 275(C), pages 268-286.
    2. Dickson, David C.M., 2016. "A note on some joint distribution functions involving the time of ruin," Insurance: Mathematics and Economics, Elsevier, vol. 67(C), pages 120-124.
    3. Emilio Gómez-Déniz & José María Sarabia & Enrique Calderín-Ojeda, 2019. "Ruin Probability Functions and Severity of Ruin as a Statistical Decision Problem," Risks, MDPI, vol. 7(2), pages 1-16, June.
    4. Yi Lu, 2016. "On the Evaluation of Expected Penalties at Claim Instants That Cause Ruin in the Classical Risk Model," Methodology and Computing in Applied Probability, Springer, vol. 18(1), pages 237-255, March.
    5. I. Venkat Appal Raju & S. Ramasubramanian, 2016. "Risk Diversifying Treaty Between Two Companies with Only One in Insurance Business," Sankhya B: The Indian Journal of Statistics, Springer;Indian Statistical Institute, vol. 78(2), pages 183-214, November.
    6. Marcin Rudź, 2015. "A method of calculating exact ruin probabilities in discrete time models," Collegium of Economic Analysis Annals, Warsaw School of Economics, Collegium of Economic Analysis, issue 37, pages 307-322.
    7. Dickson, David C.M. & Li, Shuanming, 2010. "Finite time ruin problems for the Erlang(2) risk model," Insurance: Mathematics and Economics, Elsevier, vol. 46(1), pages 12-18, February.

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