Abstract
In many practical applications, the selection of copulas with a specific tail behaviour may allow to estimate properly the region of the distribution that is needed at most, especially in risk management procedures. Here, a graphical tool is presented in order to assist the decision maker in the selection of an appropriate model for the problem at hand. Such a tool provides valuable indications for a preliminary overview of the tail features of different copulas which may help in the choice of a parametric model. Its use is illustrated under various dependency scenarios.
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Acknowledgements
The second author has been partially supported by the Faculty of Economics and Management (Free University of Bozen-Bolzano, Italy), via the project ‘NEW-DEMO’. The other authors acknowledge the support of the University of Trieste, FRA 2014 (‘Metodi e modelli matematici e statistici per la valutazione e gestione del rischio in ambito finanziario e assicurativo’) and FRA 2016 (‘Nuovi sviluppi di statistica e matematica applicata per la previsione, l’analisi e la gestione dei rischi con applicazioni in ambito finanziario e assicurativo’).
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Pappadà, R., Durante, F., Torelli, N. (2018). A Graphical Tool for Copula Selection Based on Tail Dependence. In: Mola, F., Conversano, C., Vichi, M. (eds) Classification, (Big) Data Analysis and Statistical Learning. Studies in Classification, Data Analysis, and Knowledge Organization. Springer, Cham. https://doi.org/10.1007/978-3-319-55708-3_23
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DOI: https://doi.org/10.1007/978-3-319-55708-3_23
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