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Gunnar Miller's avatar

I ran a global sustainability fund for a European fund manager for a few years, and perhaps my pragmatic American side came out when I'd pitch why I thought applying ESG criteria in holistic investment analysis was useful: "it generally helps you identify bad management behavior, and if you avoid that, you avoid torpedoes in your portfolio".

That said, one of the most important reasons our fund posted better-than-benchmark results was that we had 20% leeway in our fund guidelines to buy stocks which might not *yet* meet all the ESG criteria, but were on the way to doing so. Our competitors were generally restricted to only buying stocks that an external ratings agency had *already* selected and rated as ESG-compliant, so their customers were essentially offered a high-fee index fund with the stock picking done by desk analysts at a third-party data provider. I used to joke "that's a bit like having a fund restriction requiring the PM to only buy stocks witha P/E within one standard deviation of the market P/E, with no opportunity to bottom-fish value stocks nor buy high-P/E stocks that grow into their valuations over time".

Plus, over time we discovered some of the criteria were capricious: One data vendor took great pains to deliniate the makers of light chocolate and dark chocolate, but then black-listed any firm that made "turbines"; they were screening out makers of jet warplanes, but that also meant no wind turbine manufacturers made the cut. One morning we woke up and discovered that one megacap US tech company was blacklisted because the agency had unilaterally determined that "it didn't abide by the spirit of European GDPR". Okay, but one could say that about *all* megacap tech companies, so why that company in particular? And what about the "truthiness" aspect of spirit vs. letter of the law? There was also evident geographic bias in negative scoring; Nike and Adidas used practically identical supply chains and subcontractors, and have very similar enviromental footprints (no pun intended), but you can guess which always seemed to receive higher scrutiny.

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anon's avatar

robeco does passive ESG for resilience.

wellington and pzena does more ESG inflecting companies, sometimes as suggestivists.

i presume their data well informs them whether this effort provides risk-adjusted alpha.

its not a coincidence that all offer low-cost vehicles, but is it because they themselves want some ESG or due to competition? or simply because regardless, it works.

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