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Does infrequent trading make a difference on stock market efficiency?: Evidence from the Gulf Cooperation Council (GCC) countries

  • Osamah AlKhazali
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    Purpose – After adjusting for thin trading, this study seeks to examine the market efficiency for six emerging stock markets in the Gulf Cooperation Council (GCC) countries: Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates. Design/methodology/approach – This study uses the LOMAC single variance ratio (VR) test and the Wright's rank and sign VR tests to examine informational efficiency after correcting the data for thin trading that typically characterizes these indexes. Findings – As the observed indexes in thinly traded markets may not represent the true underlying index value, there is a systematic bias toward rejecting the efficient market hypothesis. The results of this study show that after removing the effect of infrequent trading the random walk hypothesis was not rejected in all GCC equity markets. Originality/value – To the best of the author's knowledge this is the first study that applies the Wright's rank and sign VR tests after adjusting for thin trading in GCC equity market.

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    File URL: http://www.emeraldinsight.com/journals.htm?issn=1086-7376&volume=28&issue=2&articleid=1927571&show=abstract
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    Article provided by Emerald Group Publishing in its journal Studies in Economics and Finance.

    Volume (Year): 28 (2011)
    Issue (Month): 2 (June)
    Pages: 96-110

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    Handle: RePEc:eme:sefpps:v:28:y:2011:i:2:p:96-110
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    1. Riad Dahel & Belkacem Laabas, 1999. "The Behavior of Stock Prices in the GCC Markets," Working Papers 9917, Economic Research Forum, revised Jun 1999.
    2. Harvey, Campbell R, 1995. "Predictable Risk and Returns in Emerging Markets," Review of Financial Studies, Society for Financial Studies, vol. 8(3), pages 773-816.
    3. Osamah M. Al-Khazali & David K. Ding & Chong Soo Pyun, 2007. "A New Variance Ratio Test of Random Walk in Emerging Markets: A Revisit," The Financial Review, Eastern Finance Association, vol. 42(2), pages 303-317, 05.
    4. Mohamed A. El-Erian & Manmohan S. Kumar, 1995. "Emerging Equity Markets in Middle Eastern Countries," IMF Staff Papers, Palgrave Macmillan, vol. 42(2), pages 313-343, June.
    5. Burton G. Malkiel, 2005. "Reflections on the Efficient Market Hypothesis: 30 Years Later," The Financial Review, Eastern Finance Association, vol. 40(1), pages 1-9, 02.
    6. Grieb, Terrance & Reyes, Mario G, 1999. "Random Walk Tests for Latin American Equity Indexes and Individual Firms," Journal of Financial Research, Southern Finance Association;Southwestern Finance Association, vol. 22(4), pages 371-83, Winter.
    7. Fama, Eugene F & French, Kenneth R, 1988. "Permanent and Temporary Components of Stock Prices," Journal of Political Economy, University of Chicago Press, vol. 96(2), pages 246-73, April.
    8. Ali F. Darrat & Omar M. Benkato, 2003. "Interdependence and Volatility Spillovers Under Market Liberalization: The Case of Istanbul Stock Exchange," Journal of Business Finance & Accounting, Wiley Blackwell, vol. 30, pages 1089-1114.
    9. Andrew W. Lo & A. Craig MacKinlay, 1987. "Stock Market Prices Do Not Follow Random Walks: Evidence From a Simple Specification Test," NBER Working Papers 2168, National Bureau of Economic Research, Inc.
    10. Buguk, Cumhur & Wade Brorsen, B., 2003. "Testing weak-form market efficiency: Evidence from the Istanbul Stock Exchange," International Review of Financial Analysis, Elsevier, vol. 12(5), pages 579-590.
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