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The Effect of Socially Responsible Investing on Portfolio Performance


  • Alexander Kempf
  • Peer Osthoff


"More and more investors apply socially responsible screens when building their stock portfolios. This raises the question whether these investors can increase their performance by incorporating such screens into their investment process. To answer this question we implement a simple trading strategy based on socially responsible ratings from the KLD Research & Analytics: Buy stocks with high socially responsible ratings and sell stocks with low socially responsible ratings. We find that this strategy leads to high abnormal returns of up to 8.7% per year. The maximum abnormal returns are reached when investors employ the best-in-class screening approach, use a combination of several socially responsible screens at the same time, and restrict themselves to stocks with extreme socially responsible ratings. The abnormal returns remain significant even after taking into account reasonable transaction costs." Copyright 2007 The Authors Journal compilation (c) 2007 Blackwell Publishing Ltd.

Suggested Citation

  • Alexander Kempf & Peer Osthoff, 2007. "The Effect of Socially Responsible Investing on Portfolio Performance," European Financial Management, European Financial Management Association, vol. 13(5), pages 908-922.
  • Handle: RePEc:bla:eufman:v:13:y:2007:i:5:p:908-922

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