Modelling dependence within and across run-off triangles for claims reserving

11/27/2019

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by   Luis E. Nieto-Barajas, et al.

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We propose a stochastic model for claims reserving that captures dependence along development years within a single triangle. This dependence is of autoregressive form of order p and is achieved through the use of latent variables. We carry out bayesian inference on model parameters and borrow strength across several triangles, coming from different lines of businesses or companies, through the use of hierarchical priors.