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Mathematics > Optimization and Control

arXiv:2411.13111 (math)
[Submitted on 20 Nov 2024]

Title:Optimal investment problem of a renewal risk model with generalized erlang distributed interarrival times

Authors:Linlin Tian, Bohan Li, Guoqing Li
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Abstract:This paper explores the optimal investment problem of a renewal risk model with generalized Erlang distributed interarrival times. We assume that the phases of the interarrival time can be observed. The price of the risky asset is driven by the CEV model and the insurer aims to maximize the exponential utility of the terminal wealth by asset allocation. By solving the corresponding Hamilton-Jacobi-Bellman equation, when the interest rate is zero, the concavity of the solution as well as the the explicit expression of the investment policy is shown. When the interest rate is not zero, the explicit expression of the optimal investment strategy is shown, the structure as well as the concavity of the value function is proved.
Subjects: Optimization and Control (math.OC)
Cite as: arXiv:2411.13111 [math.OC]
  (or arXiv:2411.13111v1 [math.OC] for this version)
  https://doi.org/10.48550/arXiv.2411.13111

Submission history

From: Linlin Tian [view email]
[v1] Wed, 20 Nov 2024 08:13:02 UTC (219 KB)
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