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Combined modelling of micro-level outstanding claim counts and individual claim frequencies in non-life insurance

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008  240830e20240815che|||p |0|||b|eng d
040  ‎$a‎MAP‎$b‎spa‎$d‎MAP
084  ‎$a‎219
100  ‎$0‎MAPA20170013198‎$a‎Bücher, Axel
24510‎$a‎Combined modelling of micro-level outstanding claim counts and individual claim frequencies in non-life insurance‎$c‎Axel Bücher & Alexander Rosenstock
520  ‎$a‎Usually, the actuarial problems of predicting the number of claims incurred but not reported (IBNR) and of modelling claim frequencies are treated successively by insurance companies. New micro-level methods designed for large datasets are proposed that address the two problems simultaneously. The methods are based on an elaborated occurrence process model that includes both a claim intensity model and a claim development model. The influence of claim feature variables is modelled by suitable neural networks. Extensive simulation experiments and a case study on a large real data set from a motor legal insurance portfolio show accurate predictions at both the aggregate and individual policy level, as well as appropriate fitted models for claim frequencies. Moreover, a novel alternative approach combining data from classic triangle-based methods with a micro-level intensity model is introduced and compared to the full micro-level approach
650 4‎$0‎MAPA20080573867‎$a‎Seguro de salud
650 4‎$0‎MAPA20080586294‎$a‎Mercado de seguros
650 4‎$0‎MAPA20080556495‎$a‎Siniestros
650 4‎$0‎MAPA20080573935‎$a‎Seguros no vida
650 4‎$0‎MAPA20080579258‎$a‎Cálculo actuarial
650 4‎$0‎MAPA20080557287‎$a‎Automóviles
650 4‎$0‎MAPA20080603779‎$a‎Seguro de automóviles
7001 ‎$0‎MAPA20240020996‎$a‎Rosenstock, Alexander
7730 ‎$w‎MAP20220007085‎$g‎15/08/2024 Volumen 14 - Número 2 - agosto 2024 , P. 623-655‎$t‎European Actuarial Journal‎$d‎Cham, Switzerland : Springer Nature Switzerland AG, 2021-2022
856  ‎$u‎https://link.springer.com/article/10.1007/s13385-024-00383-7