Long Term Dependence in Stock Returns
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.
|Date of creation:||01 Jan 1996|
|Date of revision:|
|Publication status:||published, Economics Letters, 53:3, 253-259.|
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- Victor Chow, K. & Denning, Karen C. & Ferris, Stephen & Noronha, Gregory, 1995. "Long-term and short-term price memory in the stock market," Economics Letters, Elsevier, vol. 49(3), pages 287-293, September.
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NBER Working Papers
2984, National Bureau of Economic Research, Inc.
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- Cheung, Yin-Wong & Lai, Kon S., 1995. "A search for long memory in international stock market returns," Journal of International Money and Finance, Elsevier, vol. 14(4), pages 597-615, August.
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