Investigating beta anomaly: comparison of Shariah-compliant and conventional stocks

Muhammad Ali Jibran Qamar, Asma Hassan, Mian Sajid Nazir and Abdul Haque

International Journal of Islamic and Middle Eastern Finance and Management, 2021, vol. 15, issue 1, 158-178

Abstract: Purpose - The purpose of this paper is to examine the impact of dividend announcements on the stock return of Shariah-compliant and conventional stocks. Design/methodology/approach - An event study methodology is applied to study the beta anomaly. Market-adjusted return model, mean-adjusted return model and market model have been applied to calculate excess returns. Estimation period used in this study is 130 days, and event period consists of 21 days in total, i.e. starting from the day –10 “before the cash dividend announcement” to day +10 “after the cash dividend announcements. Findings - It has been concluded from the results that dividend plays an informational role in the Pakistan Stock Exchange. As the investors in Pakistan react favorably to the dividend increase announcements and unfavorably to the dividend decrease announcements, they consider dividend increase announcement as good news and dividend decrease announcement as bad news. Practical implications - The findings of this study have several implications for different participants of the stock market, such as investors, academicians, researchers, fund managers and policymakers. They can use this information to make decisions while making efficient portfolios. Investors may get abnormal returns by focusing on the dividend announcement patterns. This can influence the attitude of investors toward efficient investments in the stock market and ultimately contribute to the betterment of society. This study is also beneficial for academicians and researchers, as it provides a comparative analysis of Shariah-compliant and conventional stocks and the anomalous effect of dividend announcements on stock return. Originality/value - Limited research in the world’s context and null is available in Pakistani context on the subject matter. The comparative analysis of “Shariah-compliant” and “conventional” stocks provides insight into the asset pricing of Shariah-compliant stocks that have not been explored earlier. This study also uses three different methods (mean model, market model and market-adjusted return models) to compare Shariah-compliant and conventional stocks

Keywords: Efficient market; Market anomalies; Dividend announcements; Information content of dividend; Shariah-compliant stocks; PSX; Efficient market hypothesis (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eme:imefmp:imefm-09-2019-0384

DOI: 10.1108/IMEFM-09-2019-0384

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