Optimal Debt Ratio and Dividend Payment Policies for Insurers with Ambiguity

Dan Zhu, Cuixia Chen () and Bing Liu
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Dan Zhu: School of Statistics and Data Science, Qufu Normal University, Qufu 273165, China
Cuixia Chen: School of Insurance and Public Finance, Hebei Finance University, Baoding 071051, China
Bing Liu: School of Finance, Nanjing University of Finance and Economics, Nanjing 210023, China

Mathematics, 2023, vol. 12, issue 1, 1-12

Abstract: This study considers the optimal debt ratio and dividend payment policies for an insurer concerned about model misspecification. We assume that the insurer can invest all of its asset to the financial market and the ambiguity may exist in the risky asset. Taking into account the ambiguous situation, the insurer aims to maximize the expected utility of a discounted dividend payment until it ruins. Under some assumption, we prove that there exists classical solutions of the optimal debt ratio, dividend payment policies, and value functions that show that the existence of ambiguity can affect the optimal debt ratio and dividend policies significantly.

Keywords: dividend payment; model ambiguity; optimal debt ratio (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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