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Copula-based nonlinear quantile autoregression

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Author Info
Xiaohong Chen
Roger Koenker
Zhijie Xiao
Abstract

Parametric copulas are shown to be attractive devices for specifying quantile autoregressive models for nonlinear time-series. Estimation of local, quantile-specific copula-based time series models offers some salient advantages over classical global parametric approaches. Consistency and asymptotic normality of the proposed quantile estimators are established under mild conditions, allowing for global misspecification of parametric copulas and marginals, and without assuming any mixing rate condition. These results lead to a general framework for inference and model specification testing of extreme conditional value-at-risk for financial time series data. Copyright © The Author(s). Journal compilation © Royal Economic Society 2009

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File URL: http://www.blackwell-synergy.com/doi/abs/10.1111/j.1368-423X.2008.00274.x
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Article provided by Royal Economic Society in its journal Econometrics Journal.

Volume (Year): 12 (2009)
Issue (Month): s1 (01)
Pages: S50-S67
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Handle: RePEc:ect:emjrnl:v:12:y:2009:i:s1:p:s50-s67

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