2018
DOI: 10.3724/sp.j.1383.304011
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Assessing Tail Risk Using Expectile Regressions with Partially Varying Coefficients

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Cited by 11 publications
(12 citation statements)
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“…Xie et al (2014) proposed a varying coefficient expectile model. Afterwards, Cai et al (2018) extended their work to consider a more general case, i.e., a partially varying coefficient expectile model.…”
Section: Nonparametric and Semiparametric Modelsmentioning
confidence: 99%
See 1 more Smart Citation
“…Xie et al (2014) proposed a varying coefficient expectile model. Afterwards, Cai et al (2018) extended their work to consider a more general case, i.e., a partially varying coefficient expectile model.…”
Section: Nonparametric and Semiparametric Modelsmentioning
confidence: 99%
“…A purely nonparametric expectile model may suffer from the curse of dimensionality. To address this problem, Cai et al (2018) proposed a partially varying coefficient expectile model,…”
Section: A Partially Varying-coefficient Expectile Modelmentioning
confidence: 99%
“…In many applications, however, the tail quantiles or tail expectiles of the variable Y of interest depend on some covariate X , and thus, it is important to incorporate the covariate information into a given analysis. For instance, risk managers in finance often seek to forecast the low conditional quantiles of a portfolios future returns, or the conditional expectiles on information from the past or assumptions on future interest rate changes (Cai et al, 2018). Therefore, our proposed work on high conditional expectiles is meaningful.…”
Section: Introductionmentioning
confidence: 99%
“…Kuan et al (2009) proposed conditional autoregressive expectile (CARE) models to assess VaR. Cai et al (2018) applied expectile regressions with partially varying coefficients to assess tail risk. Although expectile regression has found applications in various fields, to our knowledge, few works are concerned with the estimation of high conditional expectiles.…”
Section: Introductionmentioning
confidence: 99%
“…Spiegel 等 [40] 针对半参数期望分位数模型用样条方法进行了模型选择. Cai 等 [41] 研究了与本文相似的部分变 系数期望分位数模型, 他们要求序列是 β-混合严平稳的, 而本文 α-混合序列的假设条件更弱、更一 般, 在金融时间序列数据下本文的假设与估计方法更为合理. 本文针对满足 α-混合条件的金融时间序列, 考虑尾部更敏感的 EVaR 作为资产的一种风险度量, 并且将 Xie 等 [20] 的变系数期望分位数模型拓展到半参数变系数期望分位数模型, 对变系数参数与常 系数参数分别进行半参有效估计.…”
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