考虑一非标准更新风险模型,其中理赔额与其等待时间构成一个同分布的非负随机向量序列,且每个随机向量内部具有某种相依结构.在理赔额为上尾独立的D族随机变量的假定下,建立了盈余过程有限时和无限时破产概率的渐近估计.
Consider a continuous-time renewal risk model,in which the claim sizes and interarrival times form a sequence of identically distributed random pairs,with each pair obeying a dependence structure.Supposing that the claim sizes form a sequence of bivariate upper tail independent random variables with dominatedly varying tails,asymptotic estimates for the finite-time and infinite-time ruin probabilities of the surplus process are obtained.