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This paper analyses the long-memory properties of high frequency financial time series. It focuses on temporal aggregation and the influence that this might have on the degree of dependence of the series. Fractional integration or I(d) models are estimated with a variety of specifications for...
Persistent link: https://www.econbiz.de/10010271372
We investigate the impact of the European Central Bank's monetary policy announcements on the level and volatility of …
Persistent link: https://www.econbiz.de/10010277736
particularly interested in volatility modelling and forecasting given their importance for FOREX dealers. Compared with previous …
Persistent link: https://www.econbiz.de/10010271381
forecasts gain from conditioning on volatility. Empirical results support the view that the relationship of interest might be …
Persistent link: https://www.econbiz.de/10010296439
This paper documents the existence of large structural breaks in the unconditional correlations among the British pound, Norwegian krone, Swedish krona, Swiss franc, and euro exchange rates (against the US dollar) during the period 1994-2003. Using the framework of dynamic conditional...
Persistent link: https://www.econbiz.de/10010325483
We analyse the volatility structure of Asian currencies against the U.S. dollar (USD) for the Thai Baht THB, the … volatility dynamics have changed in a K-state switching AR(1)-GARCH(1,1) model in the last decade 1995-2008 covering the Asian … crisis. We estimate the model of Haas et al. (2003) with MCMC and we find that for the four currencies the volatility …
Persistent link: https://www.econbiz.de/10010294017
evolves over time and that it is different under different market conditions defined by exchange rate volatility. Further, we …
Persistent link: https://www.econbiz.de/10010322440
-entrance in January 2001 this paper develops a rigorous estimation procedure. The estimates provide statistical evidence of … increased central bank intervention activities in the run-up to the Greek EMU entrance. Thus the modelling and estimation …
Persistent link: https://www.econbiz.de/10010295399
scheduled economic releases on three exchange rates: EUR/$, JPY/$ and GBP/$. Using wavelets to analyze volatility behavior, we … empirically show that intraday volatility clusters increase as we approach the time of the releases, and decay exponentially after …. Finally, we propose a wavelet volatility estimator which is not only more efficient than a range estimator that is commonly …
Persistent link: https://www.econbiz.de/10010301730
The aim of this paper is to discuss excess comovements for the Euro/US dollar and British pound/US dollar exchange rates, i.e. we look for comovements of exchange rates which are stronger than implied by fundamentals. The results of the empirical analysis give evidence that excess comovements...
Persistent link: https://www.econbiz.de/10010302725