International Economics and Economic Policy

, Volume 14, Issue 1, pp 153–165 | Cite as

Do global financial crises validate assertions of fractal market hypothesis?

  • Arif Billah Dar
  • Niyati Bhanja
  • Aviral Kumar Tiwari
Original Paper

Abstract

The frequent occurrence of crises in recent decades has triggered a debate between the proponents of Efficient market hypothesis and Fractal market hypothesis. While, the proponents of Efficient market hypothesis view crises as non-existent and highly improbable, the advocates of Fractal market hypothesis view crises as the dominance of certain investment horizons. We test whether the assertion of Fractal Market hypothesis regarding the dominance of certain frequencies during financial crises hold for the global stock markets. Following Kristoufek (Sci Rep 3:2857, 2013) the wavelet power spectra based on continuous wavelet framework are used to test the said hypothesis. It is shown that stock markets around the globe indicate the dominance of higher frequencies during the crises periods, hence, validate the assertions of Fractal market hypothesis. The results drawn are robust to the use of different countries as well as different crises.

Keywords

Fractal market hypothesis Crisis Power spectrum 

JEL Classifications

G01 G15 C58 

References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • Arif Billah Dar
    • 1
  • Niyati Bhanja
    • 2
  • Aviral Kumar Tiwari
    • 3
  1. 1.Institute of Management Technology GhaziabadGhaziabadIndia
  2. 2.University of Petroleum and Energy Studies DehradunDehradunIndia
  3. 3.Faculty of Management, IBS HyderabadA Constituent of IFHE (Deemed to Be) UniversityHyderabadIndia

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