Impact of ethical screening on risk and returns

Issam Bousalam and Moustapha Hamzaoui

Journal of Financial Regulation and Compliance, 2016, vol. 24, issue 3, 268-291

Abstract: Purpose - This paper aims to expand the literature on performance and volatility of Islamic funds and indices in comparison to their conventional unscreened counterparts, by studying the Moroccan case considering the recent introduction of Islamic finance in the country toward the end of 2015. Design/methodology/approach - As there are still no Shariah-compliant indices in Morocco, the authors first applied four Shariah screening methodologies of some of the world leading equity index providers (i.e. Dow Jones, FTSE, S&P and MSCI) to screen the public listed companies in Casablanca Stock Exchange for Shariah compliance. Next, the authors constructed four Islamic float-weighted indexes for which they modeled the dynamic volatility using an extension of the AutoRegressive Conditional Heteroskedasticity models, namely, EGARCH(1,1). Findings - The findings show that the screening process resulted in a well-diversified universe of Shariah-compliant stocks (25.6 per cent) to invest in. Furthermore, it is found that constructed Islamic indices outperformed the broad-based Moroccan All Shares Index (MASI) during the considered period of analysis (January 2013 to December 2014), and their long-run volatility is higher. This indicates that investors in Shariah-compliant stocks do not sacrifice financial performance for their risky investment. The estimates of the model show that volatility for the MASI is more persistent and takes longer time to die, and the leverage effect is positive for all indices, meaning that volatility of indexes’ returns is influenced more by good news than bad news, a result that is in contrast to other studies for developed countries. Practical implications - On the arrival of the new banking law that introduced Islamic finance for the first time in Morocco, the authors suppose that these results could be very helpful for the Moroccan financial authorities in consideration with the construction of Islamic equity indices for Muslim investors seeking to invest ethically in accordance to their religious convictions but also for index funds managers and other equity market players. Originality/value - The present study is the first of its kind in Morocco to construct Islamic indices using Shariah screening methodologies for which the volatility is modeled using an EGARCH(1,1) dynamic volatility model.

Keywords: Morocco; EGARCH volatility model; Islamic index; Shariah screening (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eme:jfrcpp:v:24:y:2016:i:3:p:268-291

DOI: 10.1108/JFRC-01-2016-0002

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