Showing 211 - 220 of 744,355
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/10009733810
. -- High frequency data ; long memory ; volatility persistence ; structural breaks …
Persistent link: https://www.econbiz.de/10009735715
general shape of the implied volatility function of the corresponding currency pair. Overall, we conclude that there is a …
Persistent link: https://www.econbiz.de/10010410031
This paper studies drivers of high-frequency (daily) dynamics of the South African rand vis-à-vis the dollar from January 2001 to July 2007. We find strong nonlinear effects of commodity prices, perceived country and emerging market risk premium and changes in the dollar-euro exchange rate on...
Persistent link: https://www.econbiz.de/10013095999
This paper analyses the long-memory properties of a high-frequency financial time series dataset. It focuses on temporal aggregation and other features of the data, and how they might affect the degree of dependence of the series. Fractional integration or I(d) models are estimated with a...
Persistent link: https://www.econbiz.de/10013082098
This paper analyses the long-memory properties of a high-frequency financial time series dataset. It focuses on temporal aggregation and other features of the data, and how they might affect the degree of dependence of the series. Fractional integration or I(d) models are estimated with a...
Persistent link: https://www.econbiz.de/10013082343
two measures: continuous volatility and discontinuous jumps . Focusing on the euro-dollar exchange rate, we provide …. Continuous volatility starts reacting prior to the news, intensifies around the release time and stays at high levels for several … volatility are mostly driven by the communication of the Euro area officials rather than US authorities …
Persistent link: https://www.econbiz.de/10013085549
symmetric (sGARCH) and the asymmetric (GJR-GARCH and EGARCH) volatility models with the normal, the student t and the skewed … with the calendar effect dummies in the volatility model are not parsimonious. The net purchase/ sale of USD in a given …
Persistent link: https://www.econbiz.de/10012962908
In this study, we model realized volatility constructed from intraday high-frequency data. We explore the possibility … of confusing long memory and structural breaks in the realized volatility of the following spot exchange rates: EUR …' realized volatility. From the Bai – Perron test, we found structural breakpoints that match significant events in financial …
Persistent link: https://www.econbiz.de/10012900291
This paper investigates possible drivers of volatility in the South African rand since the onset of the global … financial crisis. We assess the role played by local and international economic surprises, commodity price volatility, global … market risk perceptions, and local political uncertainty. As a measure of rand volatility, the study uses a market …
Persistent link: https://www.econbiz.de/10012977761