Sustainability
Tenured Harvard Business School professor, now at Oxford University.
We revisit the firm value and pricing implications of the negative screening of sin stocks. Unlike prior work, we find that institutional ownership and valuations related to sin stocks are not different from those of other stocks after controlling for differences in fundamentals between sin and non-sin stocks. Sin stocks do not differ in the likelihood of exiting the public market, the cost of raising new equity, and in the announcement returns around negative ESG news relative to non-sin stocks, casting further doubt on whether negative screening hurts sin stocks.
However, the cost of new debt is higher for sin stocks. Investors submit more ESG proposals and a larger number of ESG proposals are passed. In sum, evidence for the oft-stated hypothesis that negative screening hurts sin stocks depends on the design the researcher uses.
Robert G. Eccles of Saïd Business School, University of Oxford is the author of a number of books on integrated reporting, sustainability and the role of business in society. His focus is on sustainability from both a company and investor perspective. Professor Eccles is also involved in a variety of initiatives to embed environmental, social, and governance (ESG) issues in real world decision making. One of these is the Sustainability Accounting Standards Board (SASB), of which he was the founding chairman. In 2018, Professor Eccles was selected by Barron’s as one of the top 20 influencers on ESG investing.
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