Weak-Form Efficiency of The Kuala Lumpur Stock Exchange: An Application of Unit Root Analysis

Md. Nassir, Annuar and Ariff, Mohamed and Mohamad, Shamsher (1993) Weak-Form Efficiency of The Kuala Lumpur Stock Exchange: An Application of Unit Root Analysis. Pertanika Journal of Social Sciences & Humanities, 1 (1). pp. 57-62. ISSN 0128-7702

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Previous studies on the predictability efficiency of Kuala Lumpur Stock Exchange (KLSE) provide mixed evidence. Most of these studies did not altemptto 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 of 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 percen t chance that the indices are inefficiently priced over the period of study. The findings from the average serial correlation tests were consistent with unit root analysis. This implies that KLSE is weakform efficient though there are pockets of inefficiencies for some indices.

Item Type:Article
Keyword:Predictability efficiency, unit root, drift, time-trend
Faculty or Institute:Faculty of Economics and Management
Publisher:Universiti Putra Malaysia Press
ID Code:2988
Deposited By: Nur Izyan Mohd Zaki
Deposited On:20 Nov 2009 03:00
Last Modified:27 May 2013 07:04

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