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Challenges with non-informative gamma priors in the Bayesian over-dispersed Poisson reserving model

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<dc:creator>Wüthrich, Mario V.</dc:creator>
<dc:date>2013-03-04</dc:date>
<dc:description xml:lang="es">Sumario: Tables 2 and 3 in England et al. (2012) raise the conjecture that the claims reserves in the Bayesian over-dispersed Poisson (BODP) model with non-informative gamma priors are equal to the claims reserves in the chain-ladder (CL) model (the small differences in the figures could be explained by simulation inaccuracy). We give a counter-example to this conjecture. Moreover, we show that, working with non-informative priors needs a lot of care because a naïve treatment may lead to improper posterior distributions.</dc:description>
<dc:identifier>https://documentacion.fundacionmapfre.org/documentacion/publico/es/bib/143601.do</dc:identifier>
<dc:language>spa</dc:language>
<dc:rights xml:lang="es">InC - http://rightsstatements.org/vocab/InC/1.0/</dc:rights>
<dc:type xml:lang="es">Artículos y capítulos</dc:type>
<dc:title xml:lang="es">Challenges with non-informative gamma priors in the Bayesian over-dispersed Poisson reserving model</dc:title>
<dc:relation xml:lang="es">En: Insurance : mathematics and economics. - Oxford : Elsevier, 1990- = ISSN 0167-6687. - 04/03/2013 Volumen 52 Número 2 - marzo 2013 </dc:relation>
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