For insurance business that reinsures with other parties, the turnover of the initial insurance business shall be the total insurance premiums after deduction of the premiums paid to the reinsurers. 保险业实行分保险的,初保业务以全部保费收入减去付给分保人的保费后的余额为营业额。
Therefore, the method used in this paper is layered reinsures mode. 因此,本文采用的方法是分层承保的再保险模式。