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Exponentially Damped Levy Flights, Multiscaling, and Slow Convergence in Stockmarkets

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  • Sergio Da Silva

    (Federal University of Rio Grande Do Sul, Brazil)

Abstract

We have previously examined the role of autocorrelations in the sum of stochastic variables together with the existence of scaling power laws (Physica A 323 (2003) 601). Here we employ such an approach to analyze the sluggish convergence [2] in data coming from the S&P500 index. We also employ our suggested exponentially damped Lévy flight [3] to assess the multiscaling properties in the data.

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File URL: http://128.118.178.162/eps/fin/papers/0405/0405028.pdf
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Bibliographic Info

Paper provided by EconWPA in its series Finance with number 0405028.

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Date of creation: 21 May 2004
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Handle: RePEc:wpa:wuwpfi:0405028

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  1. Figueiredo, Annibal & Gleria, Iram & Matsushita, Raul & Da Silva, Sergio, 2003. "Autocorrelation as a source of truncated Lévy flights in foreign exchange rates," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 323(C), pages 601-625.
  2. Sergio Da Silva, 2004. "Exponentially Damped Levy Flights," Finance 0406002, EconWPA.
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Cited by:
  1. Yang, Honglin & Wan, Hong & Zha, Yong, 2013. "Autocorrelation type, timescale and statistical property in financial time series," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(7), pages 1681-1693.
  2. da Silva, Roberto & Zembrzuski, Marcelo & Correa, Fabio C. & Lamb, Luis C., 2010. "Stock markets and criticality in the current economic crisis," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 389(23), pages 5460-5467.
  3. Tabak, B.M. & Takami, M.Y. & Cajueiro, D.O. & Petitinga, A., 2009. "Quantifying price fluctuations in the Brazilian stock market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 388(1), pages 59-62.

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