English, Article, Journal or magazine article edition: Long Term Dependence in Stock Returns Christopher F. Baum; John Barkoulas

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Bookmark: http://trove.nla.gov.au/version/73775
Physical Description
  • preprint
Language
  • English

Edition details

Title
  • Long Term Dependence in Stock Returns
Author
  • Christopher F. Baum
  • John Barkoulas
Physical Description
  • preprint
Notes
  • This paper investigates the presence of fractal dynamics in stock returns. We improve upon existing literature in two ways: i) instead of rescaled-range analysis, we use the more efficient semi- nonparametric procedure suggested by Geweke and Porter-Hudak (GPH, 1983), and ii) to ensure robustness, we apply the GPH test to a variety of aggregate and sectoral stock indices and individual companies' stock returns series at both daily and monthly frequencies. Our results indicate that fractal structure is not exhibited by stock indices, but it may characterize the behavior of some individual stock returns series.
  • stock returns, long memory, fractal dynamics, spectral regression
  • RePEc:boc:bocoec:314
Language
  • English
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