A Pitfall in Ethical Investing : ESG Disclosures Reveal Vulnerabilities, Not Virtues

It is widely believed that ESG (Environmental, Social, Governance) investing helps reduce regulatory and reputational risks. In a large global panel, we find that ethics controversies are more likely for firms that adopt popular ESG policies. The effect is attenuated by controlling for size, industry, and country but remains economically and statistically significant. We also show that some prominent ESG indexes favor companies that disclose more ESG policies and as a consequence generally have greater controversy exposure than an ESG-unaware benchmark