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Seção: ArtigosTítulo: Selection bias and auditing policies for insurance claims / Jean Pinquet, Mercedes Ayuso, Montserrat GuillénAutor: Pinquet, JeanNotas: This article presents a statistical approach that counteracts selection bias without using a random auditing strategy. A two-equation model for audit and fraud (a bivariate probit model with censoring) was estimated on a sample of suspicious claims for the experts was left free to take the audit decision. The expected overestimation of fraud risk derived from a single-equation model was corrected. Results were rather close to those obtained with a random auditing strategy, at the expense of some instability with respect to the regression components set. Registros relacionados: En: The Journal of risk and insurance. - Orlando. - Vol. 74, nº 2, 2007 ; p. 425-440Materia / lugar / evento: ReclamacionesFraude en el seguroSeguro de automóvilesModelos matemáticosMatemática del seguroOtros autores: Ayuso Gutiérrez, Mercedes Guillén Estany, Montserrat Títulos secundários: Título: The Journal of risk and insurance Outras classificações: 6Direitos: In Copyright (InC)