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exchange market volatility. Due to increases in market uncertainty, crisis periods exhibit abnormally high levels of volatility …. By studying short-term changes in volatility dynamics, it is possible to identify the start and end dates of crisis … the volatility of rand returns between January 1994 and March 2009. Dummy variables controlling for the detected shifts in …
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In this paper we test for the existence of long memory and structural breaks in the realized variance process for the DM/US$ and Yen/US$ exchange rates. While long memory is evident in the actual processes, a structural break analysis reveals that this feature is partially explained by...
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data ; long memory ; volatility persistence ; structural breaks …
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