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- W2212682903 abstract "In this study, we forecast the realized volatility of the S&P 500 index using the heterogeneous autoregressive model for realized volatility (HAR-RV) and its various extensions. Our models take into account the time-varying property of the models’ parameters and the volatility of realized volatility. A dynamic model averaging (DMA) approach is used to combine the forecasts of the individual models. Our empirical results suggest that DMA can generate more accurate forecasts than individual model in both statistical and economic senses. Models that use time-varying parameters have greater forecasting accuracy than models that use the constant coefficients. The superiority of time-varying parameter models is also found in volatility density forecasting." @default.
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- W2212682903 date "2016-03-01" @default.
- W2212682903 modified "2023-10-18" @default.
- W2212682903 title "Forecasting realized volatility in a changing world: A dynamic model averaging approach" @default.
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- W2212682903 doi "https://doi.org/10.1016/j.jbankfin.2015.12.010" @default.
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