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Aggregate ESG confusion
A new paper highlights just how tricky it is to come up with an objective, rigorous ESG investing framework.
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Market mispricing of risk will continue
A further market distortion arises from what academics Florian Berg, Julian Kölbel and Roberto Rigobon call “aggregate confusion."
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The signal and the noise
A lack of reliability, comparability and transparency in ESG measurement produces "Aggregate Confusion."
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Why do ESG ratings vary so widely – and how can investors make sense of them?
"Investors need to dive deep into the details of the different methodologies of ESG raters when the same company has different ratings."
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ESG investors have good intentions, but there's a better way to measure corporate impact and health
Differences in measurement and scope contribute to 56% and 38% of the divergencies across scores, respectively, and weights contribute 6%.
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Here's proof that ESG can improve returns – if it's done right
"Diversifying the source of ESG ratings is very helpful. Having more than one source ... [helps] you get rid of some noise."
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ESG ratings are still our best option
"ESG ratings, though flawed, are currently still the best option to measure the ethical behaviour of firms."
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Rating the ESG rating agencies
"As the business of rating has grown, and technology brings disruption, regulators on both sides of the Atlantic are preparing new rules."
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Companies are getting it from all sides on ESG. They're either 'going too far' or 'not doing enough
For research scientist Florian Berg the controversies around ESG stem from a lack of clarity about what its goals are.
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New tools aim for nuanced analysis of academic research citations
Different environmental, social and governance (ESG) ratings can paint radically different pictures of the same company.