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On the Maximisation of the Adjustment Coefficient under Proportional Reinsurance

Published online by Cambridge University Press:  17 April 2015

Morten Hald
Affiliation:
Codan, Codanhus, Gammel Kongevej 60, DK-1790 Copenhagen V, Denmark
Hanspeter Schmidli
Affiliation:
Laboratory of Actuarial Mathematics, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
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Abstract

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In this note we consider how to maximise the adjustment coefficient in the case of proportional reinsurance. This complements some work of Waters (1983), where it was shown that there is a unique retention level maximising the adjustment coefficient. The advantage of our method is that only one implicit equation has to be solved.

Type
Articles
Copyright
Copyright © ASTIN Bulletin 2004

References

Hald, M. (2000) Optimal reinsurance forms given in terms of a maximised adjustment coefficient. Master Thesis, University of Aarhus.Google Scholar
Hipp, C. and Plum, M. (2000) Optimal investment for insurers. Insurance Math. Econom. 27, 215228.CrossRefGoogle Scholar
Hipp, C. and Schmidli, H. (2002) Asymptotics of ruin probabilities for controlled risk processes in the small claims case. Working paper 186, Laboratory of Actuarial Mathematics, University of Copenhagen.Google Scholar
Hipp, C. and Taksar, M. (2000) Stochastic control for optimal new business. Insurance Math. Econom. 26, 185192.CrossRefGoogle Scholar
Rolski, T., Schmidli, H., Schmidt, V. and Teugels, J.L. (1999) Stochastic Processes for Insurance and Finance. Wiley, Chichester.CrossRefGoogle Scholar
Schmidli, H. (2001) Optimal proportional reinsurance policies in a dynamic setting. Scand. Actuarial J., 5568.CrossRefGoogle Scholar
Schmidli, H. (2002a) On minimising the ruin probability by investment and reinsurance. Ann. Appl. Probab. 12, 890907.CrossRefGoogle Scholar
Schmidli, H. (2002b) Asymptotics of ruin probabilities for risk processes under optimal reinsurance policies: the small claim case. Working paper 180, Laboratory of Actuarial Mathematics, University of Copenhagen.Google Scholar
Waters, H.R. (1983) Some mathematical aspects of reinsurance. Insurance Math. Econom. 2, 1726.CrossRefGoogle Scholar