Showing 1 - 10 of 1,455
observed that the volatility shocks are quite persistent and take a long time to die out. September 11, 2001incident and … thereafter war on terror has increased the conditional volatility of foreign direct investment and has statistically significant … volatility. One interesting finding of this study is that the impact of Non-Democratic regime before September, 11 scenario is …
Persistent link: https://www.econbiz.de/10011938300
Mit den diesjährigen Trägern des Nobelpreises für Wirtschaft, Robert. F. Engle und Clive W.J. Granger, werden zwei Vertreter der Zeitreihenökonometrie geehrt. Wie hat sich durch ihr Werk die statistische Analyse ökonomischer Zeitreihen verändert? Wie wird heute Volatilität auf...
Persistent link: https://www.econbiz.de/10010302889
A model-free methodology is used for the first time to estimate a daily volatility index (VIBEX-NEW) for the Spanish … display a negative, tight contemporaneous relationship with IBEX daily returns, contrary to other common volatility indicators …, as an implied volatility indicator or a GARCH(1,1) conditional volatility model. This relationship is approximately …
Persistent link: https://www.econbiz.de/10010333080
obtained from discrete time models by comparing them with high-frequency ex post estimates (e.g. realised volatility) based on … illustration provides an example of where an explanatory model outperforms realised volatility ex post. …
Persistent link: https://www.econbiz.de/10010332964
Persistent link: https://www.econbiz.de/10010471448
returns and logarithmic realized volatility but also enables flexible adjustments for estimation bias in realized volatility …This paper proposes a semiparametric realized stochastic volatility model by integrating the parametric stochastic … volatility model utilizing realized volatility information and the Bayesian nonparametric framework. The flexible framework …
Persistent link: https://www.econbiz.de/10013201300
Überraschend ist im Mai die Arbeitslosigkeit gefallen. Diese positive Entwicklung wird sich im Juni zunächst fortsetzen. Diese Einschätzung basiert auf einem neuen methodischen Konzept, das Google-Aktivitätsdaten für die kurzfristige Prognose der Arbeitslosigkeit einsetzt. Gerade in...
Persistent link: https://www.econbiz.de/10011602014
In this study, we predict the daily volatility of the S&P CNX NIFTY market index of India using the basic … jump and continuous component from the realized volatility. We also tried to investigate whether dividing volatility into … simple and threshold jumps and continuous variation yields a substantial improvement in volatility forecasting or not. The …
Persistent link: https://www.econbiz.de/10011938937
Persistent link: https://www.econbiz.de/10010270901
This article employed the ARCH, GARCH and EGARCH models to model the oil price volatility and macroeconomic variables … should have a view on the impact of oil price volatility on the South African economy. …
Persistent link: https://www.econbiz.de/10014001455