Research | Corporate social responsibility and investment portfolio diversification
Corporate social responsibility and investment portfolio diversification
2 May 2010
This paper argues against Andrew Rudd’s ‘inescapable conclusion’ that integration of environment, social or governance (ESG) criteria in the investment processes must worsen portfolio diversification. While, negatively impacting diversification through number of stocks and correlation it improves portfolio diversification through a reduction of the average stock’s specific risk.
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