It may not be an overstatement that one of the most widely reported measures of variation involves S <Superscript>2</Superscript>, the sample variance, which is also well-known to be alternatively expressed in the form of an U statistic with a symmetric kernel of degree 2 whatever be the population distribution function....</superscript>

The present paper provides a unifying survey of Bayesian models in different areas of actuarial mathematics. Bayesian models are discussed with regard to claim number processes, experience rating, and experience reserving. Most models are parametric, but experience rating is also considered in...

The present paper provides a unifying survey of Bayesian models in different areas of actuarial mathematics. Bayesian models are discussed with regard to claim number processes, experience rating, and experience reserving. Most models are parametric, but experience rating is also considered in...

O objetivo do artigo é o cálculo de parâmetros usualmente adotados na literatura sobre previdência social, como as taxas de reposição previdenciária, alíquotas de contribuição atuarialmente justa e valores presentes de contribuições e de benefícios, para o caso brasileiro. Os...

Credit activity has been growing strongly in Brazil since 2004. An important factor is personal loans to people receiving benefits from the Brazilian National Social Security Institute (INSS) with repayment by automatic deduction from their benefits. This paper investigates whether the rate of...

In a bonus-malus system in car insurance, the bonus class of a customer is updated from one year to the next as a function of the current class and the number of claims in the year (assumed Poisson). Thus the sequence of classes of a customer in consecutive years forms a Markov chain, and most...