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the volatility process we assume GARCH, TGARCH and stochastic volatility. The results indicate that standard QML inference …
Persistent link: https://www.econbiz.de/10010956379
Daily returns of financial assets are frequently found to exhibit positive autocorrelation at lag 1. When specifying a linear AR(l) conditional mean, one may ask how this predictability affects option prices. We investigate the dependence of option prices on autoregressive dynamics under...
Persistent link: https://www.econbiz.de/10010956419
we fit a GARCH(l,l)-model with leptokurtic innovations. Its parameters are not stable over the sample period and two …
Persistent link: https://www.econbiz.de/10010956551
A huge body of empirical and theoretical literature has emerged on the relationship between exchange rate uncertainty and international trade. In empirical studies the estimated impacts of exchange rate uncertainty on trade figures are at most weak and often ambiguous with respect to their...
Persistent link: https://www.econbiz.de/10010956566
. Finally, the predictive accuracy of the HAR-RV model is tested against GARCH specifications using one-step-ahead forecasts …
Persistent link: https://www.econbiz.de/10005078954
Conditional heteroskedasticity is an important feature of many macroeconomic and financial time series. Standard residual-based bootstrap procedures for dynamic regression models treat the regression eroor as i.i.d. These procedures are invalid in the presence of conditional heteroskedasticity....
Persistent link: https://www.econbiz.de/10005816215