Everyone is familiar with the concept of a bank run. It all starts with a fear, a negative perception: Depositors begin to question a bank’s financial strength and rush to withdraw their funds. In doing so, they create precisely the liquidity crisis they feared.
The same perception-led dynamic can occur in relation to ESG.
A company may have sound sustainability policies, comply with applicable regulation and operate responsibly. Yet if key stakeholders begin to believe that something is wrong, the resulting actions can quickly become self-reinforcing.
Customers may switch suppliers. Lenders may tighten financing conditions or decline to refinance facilities. Investors may demand a higher return to compensate for perceived risk. Employees may become more difficult to recruit or retain. Suppliers and commercial partners may also reassess their relationship with the business.
Whether the initial concern was justified becomes almost secondary. The perception itself starts to influence the company’s financial performance and, ultimately, its value.
This dynamic has become significantly more powerful in recent years:
- Social media enables concerns—whether accurate, exaggerated or entirely unfounded—to spread globally within hours
- At the same time, ESG controversy monitoring and rating providers increasingly incorporate these events into the information provided to investors and lenders. Their primary audience is the investment community rather than corporate issuers. As a result, controversy assessments can influence market perceptions before companies have had the opportunity to fully present their perspective (various of such scores actually do not include company feedback).
For valuation and risk professionals, this has important implications:
Many ESG risk assessments focus on the probability of an environmental or social incident occurring. Equally important, however, is the possibility that stakeholders believe such an incident has occurred, regardless of the underlying facts. Markets often react to perceived risk long before certainty emerges.
This means that meaningful ESG stress testing should extend beyond regulatory compliance. It should also consider how different stakeholder groups are likely to potentially generate and then respond to adverse scenarios.
Which customers are most sensitive to sustainability concerns? Which NGOs or advocacy groups shape opinion within your sector? How influential are social media narratives? Which issues resonate most strongly within the countries and communities in which you operate? How quickly could confidence deteriorate?
Answering these questions requires understanding not only a company’s operations, but also the behavioural drivers of its stakeholders.
The objective is not to eliminate every reputational risk—an impossible task—but to identify potential early warning indicators, strengthen stakeholder engagement and prepare appropriate response strategies before issues escalate.
In valuation, downside risk is often driven less by the underlying ESG event than by the secondary factors: speed and severity of stakeholder reactions. Managing these risks may not produce dramatic valuation upside, but it can materially reduce the probability of significant value destruction.
And when it comes to the bottom line, avoiding permanent losses of value is every bit as important as creating new value.