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اختبار أثر التقلب العنقودي لمؤشر تداول باستخدام الارتباط الذاتي المدحرج

Ghassan, Hassan B. and Alhajhoj, Hassan R. (2013): اختبار أثر التقلب العنقودي لمؤشر تداول باستخدام الارتباط الذاتي المدحرج. Published in: Arab Economic and Business Journal , Vol. 8, (2013): pp. 1-5.

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Abstract

Capital market liberalization allows the access of foreign investors to Saudi stock market especially since 2005. The test of adaptation to the market volatility exhibits the existence of the volatility clustering in the daily return and volume of traded shares. This finding is corroborated by the absence of variance homoscedasticity using BF test. Also, the results indicate that the period between 11.2002 and 01.2006 is more efficient comparatively to other periods. Furthermore, from the start of 2010, there is a relative stability in stock market. The shocks on volatility market are persistent, but their intensity and permanence after the initial liberalization and institutional reforms of the capital market appear to be less in the volume, but more expanded in the prices.

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