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A Bayesian non-parametric approach to asymmetric dynamic conditional correlation model with application to portfolio selection

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2013-05
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We use an asymmetric dynamic conditional correlation (ADCC) GJR-GARCH model to estimate the time-varying volatilities of financial returns. The ADCC-GJR-GARCH model takes into consideration the asymmetries in individual assets volatilities, as well as in the correlations. The errors are modeled using a flexible location-scale mixture of infinite Gaussian distributions and the inference and estimation is carried out by relying on Bayesian non-parametrics. Finally, we carry out a simulation study to illustrate the flexibility of the new method and present a financial application using Apple and NASDAQ Industrial index data to solve a portfolio allocation problem
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Asymmetric dynamic condition correlation, Bayesian non-parametrics, Dirichlet process mixtures, Portfolio allocation
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