Abstract
In this paper, the compound Poisson risk model with surplus-dependent premium rate is analyzed in the taxation system proposed by Albrecher and Hipp (Blätter der DGVFM 28(1):13–28, 2007). In the compound Poisson risk model, Albrecher and Hipp (Blätter der DGVFM 28(1):13–28, 2007) showed that a simple relationship between the ruin probabilities in the risk model with and without tax exists. This so-called tax identity was later generalized to a surplus-dependent tax rate by Albrecher et al. (Insur Math Econ 44(2):304–306, 2009). The present paper further generalizes these results to the Gerber–Shiu function with a generalized penalty function involving the maximum surplus prior to ruin. We show that this generalized Gerber–Shiu function in the risk model with tax is closely related to the ‘original’ Gerber–Shiu function in the risk model without tax defined in a dividend barrier framework. The moments of the discounted tax payments before ruin and the optimal threshold level for the tax authority to start collecting tax payments are also examined.
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Open Access This is an open access article distributed under the terms of the Creative Commons Attribution Noncommercial License (https://creativecommons.org/licenses/by-nc/2.0), which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.
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Cheung, E.C.K., Landriault, D. On a Risk Model with Surplus-dependent Premium and Tax Rates. Methodol Comput Appl Probab 14, 233–251 (2012). https://doi.org/10.1007/s11009-010-9197-4
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DOI: https://doi.org/10.1007/s11009-010-9197-4
Keywords
- Gerber–Shiu function
- Tax identity
- Maximum surplus level
- Surplus-dependent premium
- Discounted tax payments