Warning: Sri Need Not Kill Your Sharpe And Information Ratios-Forecasting Of Earnings And Efficient Sri And Esg Portfolios
JOURNAL OF INVESTING(2020)
Abstract
Using an earnings forecasting model is useful and produces statistically significant outperformance in US stock selection. This study finds that the incorporation of environmental, social, and governance ( ESG) criteria can potentially enhance stockholder returns, holding risk constant under reasonable assumptions. The novel approach here uses a normalization of ESG strengths and weaknesses ratings, applied in both robust simply weighted and realistic optimized portfolio settings. The study confirms a now-classical no-cost result for the overall ESG criteria and-with human rights and corporate governance criteria- shows that SRI and ESG information can enhance portfolio returns in certain implementations. Thus, SRI and ESG investors may not necessarily have to expect lower portfolio returns and Sharpe ratios under all circumstances.
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Key words
efficient <i>sri,earnings,information ratios—forecasting
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