scholarly journals MARTINGALE METHOD FOR RUIN PROBABILITY IN AN AUTOREGRESSIVE MODEL WITH CONSTANT INTEREST RATE

2003 ◽  
Vol 17 (2) ◽  
pp. 183-198 ◽  
Author(s):  
Hailiang Yang ◽  
Lihong Zhang
Keyword(s):  
Interest Rate ◽  
Autoregressive Model ◽  
Ruin Probability ◽  
Risk Model ◽  
Martingale Method ◽  
Insurance Risk ◽  
Infinite Time ◽  
Probability Of Ruin ◽  
Constant Interest Rate ◽  
Constant Interest

In this article, we consider a discrete-time insurance risk model. An autoregressive model is used to model both the claim process and the premium process. The probability of ruin is examined in a model with a constant interest rate. Both exponential and nonexponential upper bounds are obtained for the ruin probability of an infinite time horizon.

scholarly journals Approximation for the Finite-Time Ruin Probability of a General Risk Model with Constant Interest Rate and Extended Negatively Dependent Heavy-Tailed Claims

2011 ◽  
Vol 2011 ◽  
pp. 1-14 ◽  
Author(s):  
Yang Yang ◽  
Xin Ma ◽  
Jin-guan Lin
Keyword(s):  
Interest Rate ◽  
Finite Time ◽  
Ruin Probability ◽  
Counting Process ◽  
Risk Model ◽  
Dependence Structure ◽  
Finite Time Ruin Probability ◽  
Heavy Tailed ◽  
Constant Interest Rate ◽  
Constant Interest

We propose a general continuous-time risk model with a constant interest rate. In this model, claims arrive according to an arbitrary counting process, while their sizes have dominantly varying tails and fulfill an extended negative dependence structure. We obtain an asymptotic formula for the finite-time ruin probability, which extends a corresponding result of Wang (2008).

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