Results 31 to 40 of about 275,321 (335)

First passage problems for upwards skip-free random walks via the $\Phi,W,Z$ paradigm [PDF]

open access: yes, 2018
We develop the theory of the $W$ and $Z$ scale functions for right-continuous (upwards skip-free) discrete-time discrete-space random walks, along the lines of the analogue theory for spectrally negative L\'evy processes.
Avram, Florin, Vidmar, Matija
core   +4 more sources

On the time to ruin for a dependent delayed capital injection risk model [PDF]

open access: yesApplied Mathematics and Computation, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lewis Ramsden, Apostolos D. Papaioannou
openaire   +1 more source

Cash Flow Optimization on Insurance: An Application of Fixed-Point Theory

open access: yesMathematics, 2023
The purpose of this paper is to explore a discrete-time cash flow optimization problem of the insurance company with time value of ruin under different interest rates.
Yangmin Zhong, Huaping Huang
doaj   +1 more source

Ruin probabilities for a perturbed risk model with stochastic premiums and constant interest force

open access: yesJournal of Inequalities and Applications, 2016
In this paper, we consider a perturbed compound Poisson risk model with stochastic premiums and constant interest force. We obtain the upper bound and Lundberg-Cramér approximation for the infinite-time ruin probability, and consider the asymptotic ...
Jianhua Cheng, Yanwei Gao, Dehui Wang
doaj   +1 more source

On a Fractional Stochastic Risk Model with a Random Initial Surplus and a Multi-Layer Strategy

open access: yesMathematics, 2022
The paper deals with a fractional time-changed stochastic risk model, including stochastic premiums, dividends and also a stochastic initial surplus as a capital derived from a previous investment.
Enrica Pirozzi
doaj   +1 more source

On the Optimal Dividend Problem for Insurance Risk Models with Surplus-Dependent Premiums [PDF]

open access: yes, 2015
This paper concerns an optimal dividend distribution problem for an insurance company with surplus-dependent premium. In the absence of dividend payments, such a risk process is a particular case of so-called piecewise deterministic Markov processes. The
Marciniak, Ewa, Palmowski, Zbigniew
core   +2 more sources

The Effects of Largest Claim and Excess of Loss Reinsurance on a Company’s Ruin Time and Valuation

open access: yesRisks, 2017
We compare two types of reinsurance: excess of loss (EOL) and largest claim reinsurance (LCR), each of which transfers the payment of part, or all, of one or more large claims from the primary insurance company (the cedant) to a reinsurer.
Yuguang Fan   +4 more
doaj   +1 more source

Numerical computation of Gerber–Shiu function for insurance surplus process with additional investment

open access: yesInternational Journal of Mathematics for Industry, 2023
This paper studies the Gerber–Shiu function for the insurance surplus process with additional investment under the Bachelier model. The Gerber–Shiu function allows us to study the moments of the time of ruin, which is the first time that the surplus is ...
Sutipon Punaluek, Yuri Imamura
doaj   +1 more source

Martingales and the distribution of the time to ruin

open access: yesStochastic Processes and their Applications, 2003
The author considers the classical risk model, where claims arrive according to a renewal process, with waiting times that are of phase-type, while the claims themselves follow a distribution with a Laplace transform that is a rational function. Using martingales, the optional sampling theorem and the theory of piecewise Markov process, he determines ...
openaire   +1 more source

Minimizing expected time to reach a given capital level before ruin

open access: yesJournal of Industrial & Management Optimization, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Liang, Xiaoqing, Bai, Lihua
openaire   +2 more sources

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