方法对比
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| 分位数回归× | 已实现波动率与HAR模型× | |
|---|---|---|
| 领域≠ | 计量经济学 | 金融学 |
| 方法族 | Regression model | Regression model |
| 起源年份≠ | 1978 | 2009 |
| 提出者≠ | Koenker & Bassett | Corsi (HAR model); Andersen, Bollerslev, Diebold & Labys (realized volatility) |
| 类型≠ | Conditional quantile regression | Time-series regression of realized variance |
| 开创性文献≠ | Koenker, R. & Bassett, G., Jr. (1978). Regression Quantiles. Econometrica, 46(1), 33-50. DOI ↗ | Corsi, F. (2009). A Simple Approximate Long-Memory Model of Realized Volatility. Journal of Financial Econometrics, 7(2), 174-196. DOI ↗ |
| 别名≠ | conditional quantile regression, regression quantiles, Kantil Regresyon | realized variance, HAR model, heterogeneous autoregressive model of realized volatility, HAR-RV |
| 相关 | 5 | 5 |
| 摘要≠ | Quantile regression models conditional quantiles of an outcome - the median, the 25th or 75th percentile, and so on - rather than the conditional mean that OLS targets. Introduced by Koenker and Bassett in 1978, it reveals how predictors act across the whole distribution, including its tails. | Realized volatility estimates an asset's variance directly from high-frequency intraday returns rather than from a parametric latent process. The Heterogeneous Autoregressive (HAR) model of Corsi (2009), building on the realized-volatility framework of Andersen, Bollerslev, Diebold and Labys (2003), forecasts this measure by combining daily, weekly, and monthly volatility components, and is a strong alternative to GARCH for volatility prediction. |
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