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We study optimal investment strategies under the objective of maximizing the Omega ratio, proposed by Keating and Shadwick (2002) as an alternative to the Sharpe ratio for performance assessment of investment strategies. We show that in a standard set-up of the financial market the problem is...
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We derive the optimal portfolio for an expected utility maximizer whose utility does not only depend on terminal wealth but also on some random benchmark (state-dependent utility). We then apply this result to obtain the optimal portfolio of a loss-averse investor with a random reference point...
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Purpose 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...
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Shariah-compliant investment guidelines, while explicit on screening criteria for stock selection, are silent on the weighting methods to be used in the construction of Shariah-compliant equity portfolios. The market capitalization-weighted strategy and smart beta strategies (fundamental...
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The Shariah-compliant equity investments make implicit bets and do not invest in firms with non-compliant core operations. The negative screens are implemented in two steps, qualitative screens and quantitative screens. There exist significant discrepancies among the existing Shariah screening...
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