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A non-parametric assessment of weak-form efficiency in the UAE financial markets

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  • Jay Squalli

Abstract

This paper tests for market efficiency in the represented sectors of the Dubai Financial Market (DFM) and the Abu Dhabi Securities Market (ADSM). Using daily sectoral indexes between 2000 and 2005, variance ratio tests reject the random walk hypothesis in all sectors of the UAE financial markets except in the banking sector of the DFM. Returns in the two financial markets are negatively serially correlated, thus suggesting the presence of a Bull market. Runs tests find insurance in the ADSM to be the only weak-form efficient sector.

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  • Jay Squalli, 2006. "A non-parametric assessment of weak-form efficiency in the UAE financial markets," Applied Financial Economics, Taylor & Francis Journals, vol. 16(18), pages 1365-1373.
    • Handle: RePEc:taf:apfiec:v:16:y:2006:i:18:p:1365-1373
    DOI: 10.1080/09603100500447594
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    1. Alam, Nafis & Arshad, Shaista & Rizvi, Syed Aun R., 2016. "Do Islamic stock indices perform better than conventional counterparts? An empirical investigation of sectoral efficiency," Review of Financial Economics, Elsevier, vol. 31(C), pages 108-114.
    2. Al-Shboul, Mohammad & Alsharari, Nizar, 2019. "The dynamic behavior of evolving efficiency: Evidence from the UAE stock markets," The Quarterly Review of Economics and Finance, Elsevier, vol. 73(C), pages 119-135.
    3. Kapar, Burcu & Olmo, Jose & Ghalayini, Rim, 2020. "Financial integration in the United Arab Emirates Stock Markets," Finance Research Letters, Elsevier, vol. 33(C).
    4. Sánchez-Granero, M.A. & Balladares, K.A. & Ramos-Requena, J.P. & Trinidad-Segovia, J.E., 2020. "Testing the efficient market hypothesis in Latin American stock markets," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 540(C).
    5. repec:ipg:wpaper:2014-078 is not listed on IDEAS
    6. Jamaani, Fouad & Roca, Eduardo, 2015. "Are the regional Gulf stock markets weak-form efficient as single stock markets and as a regional stock market?," Research in International Business and Finance, Elsevier, vol. 33(C), pages 221-246.
    7. Alexandros E. Milionis, 2019. "A simple return generating model in discrete time; implications for market efficiency testing," Working Papers 259, Bank of Greece.
    8. Charfeddine, Lanouar & Khediri, Karim Ben, 2016. "Time varying market efficiency of the GCC stock markets," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 444(C), pages 487-504.
    9. Alali, Fatima A. & Foote, Paul Sheldon, 2012. "The Value Relevance of International Financial Reporting Standards: Empirical Evidence in an Emerging Market," The International Journal of Accounting, Elsevier, vol. 47(1), pages 85-108.
    10. Imen Zgueb Rejichi & Chaker Aloui & Duc Khuong Nguyen, 2014. "Assessing the efficiency of the MENA emerging stock markets: A sectoral perspective," Working Papers 2014-78, Department of Research, Ipag Business School.
    11. Mamdouh Abdulaziz Saleh Al-Faryan & Everton Dockery, 2021. "Testing for efficiency in the Saudi stock market: does corporate governance change matter?," Review of Quantitative Finance and Accounting, Springer, vol. 57(1), pages 61-90, July.
    12. Majumder, Debasish, 2012. "When the market becomes inefficient: Comparing BRIC markets with markets in the USA," International Review of Financial Analysis, Elsevier, vol. 24(C), pages 84-92.
    13. Abdmoulah, Walid, 2010. "Testing the evolving efficiency of Arab stock markets," International Review of Financial Analysis, Elsevier, vol. 19(1), pages 25-34, January.
    14. Rompotis, Gerasimos G., 2011. "Testing weak-form efficiency of exchange traded funds market," MPRA Paper 36020, University Library of Munich, Germany.
    15. Jasim Al-Ajmi & J. H. Kim, 2012. "Are Gulf stock markets efficient? Evidence from new multiple variance ratio tests," Applied Economics, Taylor & Francis Journals, vol. 44(14), pages 1737-1747, May.
    16. Muhammad Irfan & Maria Irfan, 2011. "Weak Form Efficiency of Pakistan Stock Market using Non-Parametric Approaches," Journal of Social and Development Sciences, AMH International, vol. 2(6), pages 249-257.

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