NONPARAMETRIC INFERENCE FOR CONDITIONAL QUANTILES OF TIME SERIES

Ke-Li Xu

Econometric Theory, 2013, vol. 29, issue 4, 673-698

Abstract: This paper considers model-free hypothesis testing and confidence interval construction for conditional quantiles of time series. A new method, which is based on inversion of the smoothed empirical likelihood of the conditional distribution function around the local polynomial estimator, is proposed. The associated inferential procedures do not require variance estimation, and the confidence intervals are automatically shaped by data. We also construct the bias-corrected empirical likelihood, which does not require undersmoothing. Limit theories are developed for mixing time series. Simulations show that the proposed methods work well in finite samples and outperform the normal confidence interval. An empirical application to inference of the conditional value-at-risk of stock returns is also provided.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:cup:etheor:v:29:y:2013:i:04:p:673-698_00

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