基于累積索賠金額的最優(yōu)獎(jiǎng)懲系統(tǒng)
[Abstract]:The commercial car insurance rate can be broken down into the prior rate and the posterior rate. The premium rate is based on the prior risk characteristics of the insured vehicle (such as the sex and age of the driver, the nature of the vehicle use) and applies the generalized linear model to determine the rate. The posterior rate is based on the insured vehicle's claim experience (such as claim times) and the premium and punishment system is applied to adjust the prior rate. The generalized linear models commonly used to determine the prior rate include the claim frequency model, the claim intensity model and the cumulative claim amount model. In practice, the reward and punishment system usually adjusts the priori rate based on the number of the insured vehicle's experience claim, without considering the influence of the claim amount or the priori information, which may result in repetitive reward or punishment. The cumulative claim amount is the sum of the insured vehicle's claim amount during the insured period, including both the number of claims and the claim amount information, which can more accurately reveal the insured vehicle's claim experience information. In this paper, a new reward and punishment system is established by using the multi-year longitudinal cumulative claim amount data of insured vehicles. The zero-adjustment inverse Gaussian regression model is used to determine the prior rate. The maximum likelihood method is used to estimate the priori rate factor and the reward and punishment coefficient simultaneously under the linear constraint, which avoids the repetitive reward or punishment caused by the traditional reward and punishment system to the insured, and improves the result of determining the posterior rate effectively.
【作者單位】: 中國(guó)人民大學(xué)應(yīng)用統(tǒng)計(jì)科學(xué)研究中心;中國(guó)人民大學(xué)統(tǒng)計(jì)學(xué)院;
【基金】:國(guó)家社會(huì)科學(xué)基金重大項(xiàng)目“巨災(zāi)保險(xiǎn)的精算統(tǒng)計(jì)模型及其應(yīng)用研究”(16ZDA052) 教育部人文社會(huì)科學(xué)重點(diǎn)研究基地重大項(xiàng)目“基于大數(shù)據(jù)的精算統(tǒng)計(jì)模型與風(fēng)險(xiǎn)管理問(wèn)題研究”(16JJD910001)的資助
【分類(lèi)號(hào)】:F840.63
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