文章基本信息

标题：Weak-Form Efficiency of the Kuala Lumpur Stock Exchange: An Application of Unit Root Analysis
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作者：Annuar Md. Nassir ; Mohamed Ariff ; Shamsher Mohamad 等
期刊名称：Pertanika Journal of Social Sciences & Humanities
印刷版ISSN：0128-7702
电子版ISSN：2231-8534
出版年度：1993
卷号：1
期号：1
出版社：Universiti Putra Malaysia
摘要：Previous studies on the predictability efficiency o f Kuala Lumpur Stock Exchange (KLSE) provide mixed evidence. Most o f these studies did not attempt to control thinness of trading, drift and time-trend in the price series, which are peculiar characteristics of a developing securities market. This study investigates the predictability efficiency of KLSE using unit root analysis which incorporates the drift and time-trend factors. The thinness o f trading was controlled by grouping the indices based on the volume of stock turnover per unit of outstanding shares. The findings suggest that the average unit root coefficient is 0.9 which implies that there is less than 10 percent chance that the indices are inefficiently priced over the period o f study. The findings from the average serial correlation tests were consistent with unit root analysis. This implies that KLSE is weak-form efficient though there are pockets of inefficiencies for some indices.
关键词：Predictability efficiency; unit root; drift; time-trend