E. Boj, Anna Castañer, M. M. Claramunt, Teresa Costa, Oriol Roch
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Economic Indicators for Automobile Claim Frequencies
espanolResumen: Este articulo examina la relacion entre las frecuencias de siniestralidad ob- servadas en la linea de seguros de automoviles y la evolucion de magnitudes economicas seleccionadas. A partir de una variedad de variables economicas, nuestro objetivo es identificar los principales factores que afectan a las frecuen- cias de siniestralidad, controlando al mismo tiempo otros factores legislativos y demograficos. A traves de un modelo de regresion dinamica, el analisis se realiza para tres categorias diferentes de vehiculos y para distintas coberturas. Se utiliza una base de datos de las principales companias de seguros espanolas para calibrar el modelo. La evidencia podria ayudar a las empresas a mejorar su tarificacion. EnglishAbstract: This article examines the relationship between observed claim frequencies in the automobile insurance line and the evolution of selected economic magnitudes. From a variety of economic variables, we aim to identify the main factors affecting claim frequencies, while controlling for other legislative and demographic factors. Through a dynamic regression model, the analysis is conducted for three different categories of vehicles and for a variety of coverages. A comprehensive dataset from the main Spanish insurance companies is used to calibrate the model. The evidence might assist companies to improve ratemaking.