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In casualty business, the optimal premium pricing and adequate cost for an insurance company is important in risk management. The aim of this research was to study in the application of generalized linear models to estimate pure premium for motor insurance. In this study, the data set was the claim of comprehensive motor insurance, which was provided by one of the insurance company in Thailand. The results of this study show that the risk factors significantly related to pure premium at the 0.05 level consisted of no claim bonus (NCB) and use of motor vehicle (Car Code).
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