A Closer Look at ESG Metrics
What are ESG Metrics?
The use of impact metrics is skyrocketing as impact-based investing markets have quadrupled in size from 2016 to 2020 . Despite rapid growth, there is still a misunderstanding of what impact metrics are and how accurately these metrics measure impact.
Impact metrics attempt to quantify a company’s impact on issues non-financial outcomes. Examples include carbon emissions, male-female ratio in the workplace, and number of controversies surrounding a company.
Impact metrics aim to paint a picture that financial metrics cannot, showing the full scope of a company’s social and environmental footprint. It’s easier to measure revenue or salaries, than gender diversity or persistent organic pollutants in a supply chain. As a result of that uncertainty, there are at many major metric frameworks with different impact metrics that try to quantify this footprint. The number of different impact funds, investment banks, non-profits, philanthropies, and family offices that construct their own metrics and frameworks only adds to the confusion.
“ESG'' is the hottest phrase in finance. It’s really more a philosophy than an accounting methodology. It’s derived impact metrics are simplified into three categories: Environmental, Social, and Governance. They were first introduced in the 1960s and inflow into ESG-based funds reached $71.1 billion in the second quarter of 2020 . A positive correlation exists between higher ESG rating and increased financial performance (Eccles et al. 2014, Khan et al. 2015, Friede et al. 2015), which makes sense due to an ESG score encompassing management quality and practices. Overall, ESG metrics seem to have had a positive impact on investing, allowing people to better quantify a company’s impact.
How to standardize thousands of impact metrics?
However, as we see more and more companies calculating ESGs, there is now an emerging problem of how to standardize all this data.
Many different organizations calculate ESG to provide better insight -- an “edge” -- to their investing (e.g. Bloomberg, Dow Jones, MSCI, and Sustainalytics). While these companies aim to provide similar insights, there is large variation between how each calculates this metric. For example, in the figure below we can see three ESG scores for three different companies.
Figure 1. ESG Metric Variance in Public Companies. Widely dispersed rankings of the same companies indicate a lack of confidence for investors seeking impact outcomes (https://www.bloomberg.com/opinion/articles/2020-05-21/esg-investing-s-good-coronavirus-crisis-is-killing-jobs)
The variation between scores in this image is concerning. The issue here is a lack of standardization in how ESGs are calculated which must be addressed, but how?
Moving towards standardization
ESG Data Standards are proposed in a paper by Cort and Esty  and suggest ESG metrics be held to three standards:
The current growth in sustainable investing has outgrown current ESG capabilities. For investors to continue to rely on impact metrics, these standards must be implemented through cooperation and regulation. At Raise Green, we hope that these standards allow an accurate portrayal of a company’s true financial footprint.
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