An over-reliance on unseasoned risk models is also partly to blame for bad underwriting. 对不成熟的风险模型过度依赖是导致不良承销的部分原因。
At last we obtain the supremum estimation of the finite time ruin probability and the infinite time ruin probability in the third new risk model. 对第三类风险模型进行研究,得到了有限时间破产概率和终极时间破产概率的上界估计。