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Persistence Characteristics of Latin American Financial Markets

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  • Sijing Zong

    (Kent State University)

  • Cornelis A. Los

    (Kent State University)

  • Nyonyo Kyaw

    (Kent State University)

Abstract

The financial rates of return from Latin American stock and currency markets are found to be non-normal, non-stationary, non-ergodic and long-term dependent, i.e., they have long memory. The degree of long- term dependence is measured by monofractal (global) Hurst exponents from wavelet multiresolution analysis (MRA). Scalograms and scalegrams provide the respective visualizations of these wavelet coefficients and the power spectrum of the rates of return. The slope of the power spectrum identifies the Hurst exponent and thereby the degree of scaling dependence that cannot be determined by Box-Jenkins type time series analysis. Our dependency and time and frequency scaling results are consistent with similar empirical findings from American, European, and Asian financial markets, extending the domain of the empirical investigation of the dynamics and risk characteristics of financial markets and refuting the hypothesis of perfectly efficient markets.

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File URL: http://128.118.178.162/eps/fin/papers/0411/0411013.pdf
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Bibliographic Info

Paper provided by EconWPA in its series Finance with number 0411013.

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Length: 49 pages
Date of creation: 09 Nov 2004
Date of revision:
Handle: RePEc:wpa:wuwpfi:0411013

Note: Type of Document - pdf; pages: 49
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Web page: http://128.118.178.162

Related research

Keywords: financial markets; long memory; Hurst exponent; scalegram; wavelets; multiresolution analysis; measurement accuracy;

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References

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Citations

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Cited by:
  1. Jamdee, Sutthisit & Los, Cornelis A., 2007. "Long memory options: LM evidence and simulations," Research in International Business and Finance, Elsevier, vol. 21(2), pages 260-280, June.
  2. Chaker Aloui & Duc Khuong Nguyen, 2014. "On the detection of extreme movements and persistent behavior in Mediterranean stock markets: a wavelet-based approach," Working Papers 2014-184, Department of Research, Ipag Business School.
  3. Cornelis A. Los & Bing Yu, 2005. "Persistence Characteristics of the Chinese Stock Markets," Finance 0508008, EconWPA.
  4. Espinosa Méndez, Christian, 2005. "Evidencia De Comportamiento Caótico En Indices Bursátiles Americanos
    [Evidence Of Chaotic Behavior In American Stock Markets]
    ," MPRA Paper 2794, University Library of Munich, Germany, revised 30 Jun 2006.

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