On a Risk Model with Surplus-dependent Premium and Tax Rates

Eric C. K. Cheung and David Landriault ()
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Eric C. K. Cheung: University of Hong Kong
David Landriault: University of Waterloo

Methodology and Computing in Applied Probability, 2012, vol. 14, issue 2, 233-251

Abstract: 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.

Keywords: Gerber–Shiu function; Tax identity; Maximum surplus level; Surplus-dependent premium; Discounted tax payments; Primary 91B30; Secondary 60G55, 60J75, 90B05 (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (4)

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DOI: 10.1007/s11009-010-9197-4

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