Long memory in return volatility
This article reports, confirming evidence for long memory in the return volatility from equity, and foreign exchange markets with the newly proposed increment ratio statistic by Surgailis et al. (2007). The test is robust to changing means, slowly varying trends and other nonstationarities. In contrast to the widely held belief, we also find that the absolute returns have the most memory for all the markets examined here and that the so-called Taylor effect holds for the foreign exchange rate markets as well.
Year of publication: |
2010
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Authors: | Yoon, Gawon |
Published in: |
Applied Economics Letters. - Taylor & Francis Journals, ISSN 1350-4851. - Vol. 17.2010, 4, p. 345-349
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Publisher: |
Taylor & Francis Journals |
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