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This paper aims to review the Shari’ah investment screening methodologies of 34 prominent global Islamic finance users, including index providers, Shari’ah service providers, Islamic banks, a regulator, an association body and fund managers.

A comparative analysis is performed to highlight the variances of the Shari’ah-compliant methods and principles practiced by these renowned institutions with the latest compiled data.

The two sets of business screens and financial screens are profiled separately to clearly examine the similarities and differences between the different methodologies. Some of these practitioners are more specific in their listing of Shari’ah-impermissible activities, while some are more general in allowing more businesses to be included as permissible. The majority of these users practice a two-tier method of screening: qualitative and quantitative. Under quantitative screen, the range of allowable threshold ratios on non-permissible criteria differs slightly between them.

With the wide divergence in screening methodologies applied by practitioners, there is a general consensus in the acceptance of compliant assets from various countries and practice. Standardization is, therefore, seen as a need not only to make understanding of Shari’ah investments clear to investors but also to discourage misunderstandings between scholars and investors.

The suggestion, therefore, is to set globally acceptable universal Shari’ah standard methodologies which are applicable by the world Islamic financial market. These standards which are relevant and logical to global ethical investing would further stimulate investments in Islamic finance.

With Shari’ah-compliant asset growing exponentially relative to the world’s financial assets, it is alleged that greater harmonization of the global screening methods would prevent misunderstanding and provide a clearer insight on Shari’ah investing, which could further accelerate growth of the Islamic finance sector worldwide.

To provide a more transparent regulatory environment and build local and regional regulatory framework through establishment of standards, there should be more consistency with minimum barriers that prevent the industry from achieving its full potential. The paper also contributes to existing literature by documenting and analyzing the qualitative and quantitative screening procedures as practiced by a comprehensive set of global Islamic finance users. It is, therefore, important to share this knowledge as an effort toward greater understanding and harmonization of the practices at the global level to accelerate growth in the industry.

The purpose of this paper is to highlight the inconsistencies between the methodologies of Islamic funds and indices.

The paper has reviewed the methodologies of the most prominent funds and indices (5) to apply their apparent screening features to the asset universe. In the analysis conducted, qualitative and quantitative screens are derived from each selected fund and index methodological approach to asset selection subject to Shari’ah constraints. Qualitative screens are applied first followed by quantitative screens.

Few inconsistencies are evident between the chosen funds and indices when the qualitative screens are applied. However, the major inconsistencies are highlighted after analysis of the quantitative screens.

A number of companies within the asset universe are investment trusts, and such financial statement line item data were not found. However, this posed no difficulty, as these companies were investment trusts and would have been excluded in the qualitative screening process.

This paper will assist in the construction of a framework which thus leads to the development of a standardized methodological approach, ultimately benefiting investors.

This paper is believed to be the first which analyzes the impact of Shari’ah screens on the Financial Times Stock Exchange (FTSE). Additionally, this paper also analyzes the impact of Shari’ah screens pre and post the financial crisis. The findings of this research paper will also aid in the construction of a different research methodological approach capable of selecting halal securities listed in the FTSE 250.

The purpose of this paper is to focus on the syariah compliant screening methods that are practiced by prominent Islamic finance users, in terms of qualitative and quantitative screening.

This research uses comparative analysis to recognize the similarities and differences of methods among 15 users.

Analysis reveals that there is a need to set the universal standards, not only for the investors but also to discourage the misunderstanding between investors and scholars. After analysis of qualitative and quantitative screening, recommendations for both methods have been made for the shariah compliant board and users.

The paper is useful for Islamic finance users, as well from the academic point of view and is new and unique in its nature.

The purpose of this paper is to analyze the impact of applying alternative Shariah screens on the resulting universe of halal assets and to show that Shariah screening procedures currently used in practice are inconsistent with respect to discriminating between halal and haram.

An empirical data analysis of the different asset universes obtained when applying the criteria specified by the most prominent Shariah‐compliant funds and indexes to a common standard asset universe, the assets contained in the S&P 500 index.

Analysis reveals that the asset universes are significantly different in size as well as constituents, i.e. for every index there is a substantial number of assets which are specified as halal or haram but classified the opposite way for other indexes. This indicates that, so far, there is no universal or generally accepted understanding of how to transform the descriptive Shariah rules into a system of checkable investment guidelines.

The results presented in this paper could motivate the development of a standardized screening framework which, taking into account the existing Shariah guidelines, produces a controlled, unified and understandable classification of assets, by which the credibility and consistency of Islamic equity products is enriched.

Islamic institutions and Shariah scholars are guided to set up a common and standardized Shariah screening norm based on which computer‐based management systems for Shariah compatible portfolios could be developed.

This paper is believed to be the first empirical comparative analysis identifying the impact of using different Shariah screens on the composition of the compliant asset universe. The sensitization of Shariah scholars, fund managers and Islamic investors for the consequences of this so far undiscovered relation will certainly contribute to an enrichment of the credibility and consistency of Islamic equity products.

There are a number of differences in the current Sharīʿah screening guidelines formulated by Sharīʿah scholars associated with world-renowned index providers and financial institutions. The purpose of this study is to highlight the consequences of such differences on the portfolio level outcomes for Sharīʿah-compliant investors. This study also investigates the cost of adopting an alternative stock selection methodology.

Seven Sharīʿah-compliant equity portfolios (SCEPs) are created from the active constituents of the S&P 500. Size, sector allocation and financial performance of the resulting seven portfolios are evaluated for the period 1984–2019. Style analysis is performed to attribute the difference in financial performance caused by the choice of selection criteria to different risk factors. The cost of switching the selection criteria is evaluated with turnover analysis and break-even transaction cost.

The choice of stock selection criteria has a significant effect on the size, sector bets and financial performance of the portfolios. Those portfolios which are constructed with market capitalization-based screens outperform portfolios constructed with total assets-based screens. The turnover analysis revealed that SCEPs are relatively costly in practice.

This study investigates the performance of Sharīʿah-compliant portfolios in the context of seven different screening guidelines. The effects of transaction cost and performance attribution to different risk factors represent the key contributions of this study.

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.

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).

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.

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.

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.

The purpose of this paper is to explain and critically analyse the Sharīʿah screening criteria and cleansing process for income generated from stocks with a special focus on a newly developed ISRA-Bloomberg methodology.

The paper focuses on the methodology of ISRA-Bloomberg in terms of Sharīʿah screening of stocks and the income cleansing process. To achieve this objective, this paper adopts a descriptive approach.

The methodology of ISRA-Bloomberg is unique in terms of its criterion for screening stocks, the cleansing process and coverage of the universe of stocks. It facilitates the investors by offering a novel colour-coding scheme to indicate the Sharīʿah compliance of a stock. It also provides the exact ratios of the Sharīʿah-compliance criteria to the investors so they can closely observe changes in the trend of ratios and decide beforehand whether or not a company is likely to remain within the Sharīʿah-compliant list. The paper further discusses the issues in the screening and cleansing practices faced by the industry.

This research is limited to the criteria of screening and income purification of stocks which have been used by ISRA-Bloomberg from a Sharīʿah perspective.

The robust screening criteria and comprehensive analysis of the stocks will enhance the confidence of Islamic capital market participants. The investors, regulators and index providers will be equally able to benefit from this initiative.

The paper focuses on the recently established methodology of ISRA-Bloomberg, which has not been discussed in the literature until now. The methodology, because of its exceptionality, may add a new dimension to Sharīʿah screening and cleansing of stocks.

This paper aims to investigate the dynamic portfolio optimisation performance of numerous samples of Shariah-compliant firms in the USA vis-à-vis the overall conventional sample.

This paper constructs efficient frontiers and subsequently the capital market line using the ovport set of commands in STATA. From the capital market line, the tangent portfolio is found, and the Sharpe ratio of the tangent portfolio is the primary measurement of the dynamic portfolio optimisation performance of the samples of Shariah-compliant samples in this study.

This paper finds that the overall conventional sample will outperform the Shariah-compliant samples in most cases. However, there exists a consistent trend whereby the performance of the overall conventional sample will converge towards the performance of the Shariah-compliant samples (and even be lower at times), as the market approaches a looming crisis suggesting that the Shariah-compliant samples do not experience significant deteriorations in their performance as compared to the conventional sample and that they provide stability during such times.

This paper assumes no transaction costs, illiquidity, bid-ask spread and non-compliant revenue purification all of which may negatively affect portfolio performance.

The findings of this paper suggest that Shariah-compliant samples should be included in portfolios during times of crisis because they are less affected by market-wide volatility.

The stability of Shariah-compliant samples reflects the conservativity of the contemporary Shariah stock screening methodologies and the Shariah itself.

Portfolio optimisation studies on Shariah-compliant samples are usually static in nature and are conducted in selected Muslim countries. This paper studies the dynamic portfolio optimisation in the USA where a liquid Islamic capital market is non-existent.

Muslim investors must comply with the ethical injunctions prescribed for them while making financial investments. As per Islamic principles, the use of Riba (interest), Maysir (gambling) and Gharar (uncertain or contingent payoff contracts) is prohibited. This chapter provides some recent post great financial crisis evidence on the comparative performance of Islamic and conventional market indices. Islamic indices outperformed conventional market indices in terms of annualized returns except for emerging markets. In the overall period of 2007-16, it is found that Islamic indices have a lower coefficient of variation and hence higher reward to variability ratio. This suggests that Islamic indices are superior to conventional market indices adjusting for variability in returns. In most comparable Islamic and conventional indices, a strong co-movement and long-term co-integrating relationship is found. The results also highlighted causality running from conventional indices to the Islamic indices in most of the market groups, except for the S&P Global.

The purpose of this paper is to rank the performances of two participation indices developed in Turkey according to Islamic principles and six conventional indices based on their risks and returns for the years 2015, 2016 and 2017.

The performance of the two Islamic and six conventional indices were ranked using the technique for order preference by similarity to ideal solution (TOPSIS), i.e. a multiple-criteria decision-making method, and the weights of the decision criteria were determined using the objective weighting method called entropy.

The results do not show any statistically significant difference in returns between the participation indices and their conventional counterparts. However, all analyses performed using various risk metrics revealed the lowest risks for the Participation indices. Furthermore, in the TOPSIS ranking for all of the years, the Participation indices ranked above BIST 100, which was selected as the benchmark.

Participation indices provide investors adhering to Islamic faith with opportunities through which they can comfortably invest with limited loss of financial performance for the study period. They also serve as a good alternative for risk-averse investors.

The paper is distinguished by the criteria and methodology it uses for index ranking. Furthermore, it is believed to be useful for the limited literature on the Participation Index in Turkey as well as for national and international investors and institutions interested in Islamic indices in particular.