Degiannakis, Stavros Antonios - 2018
forecasting horizons. Therefore, a long memory volatility model compared to a short memory GARCH model does not appear to improve … specification, in the forecasting of multi-period Value-at-Risk (VaR) and Expected Shortfall (ES) across 20 stock indices worldwide …-ahead forecasting horizons relative to the short memory GARCH specification. Additionally, the results suggest that underestimation of …