On the 2nd of June 2023, Elie Hassenfeld was interviewed on the 80’000 hours podcast. Here, we present our responses.

We’re delighted that HLI’s work and the subjective wellbeing approach featured so prominently on the latest 80k podcast with Elie Hassenfeld, the CEO of GiveWell. It was a really high-quality conversation, and kudos to host Rob Wiblin for doing such an excellent job putting forward our point of view. Quite a few people have asked us what we thought, so I’ve written up some comments.

I split those into four main comments and a number of minor ones. To preview, the main comments are:

  1. We’re delighted, but surprised, to hear GiveWell are now so positive about the SWB approach; we’re curious to know what changed their mind.
  2. HLI and GiveWell disagree on what does the most good based on differences of how to interpret the evidence; we’d be open to an ‘adversarial collaboration’ to see if we can iron out those differences.
  3. We’d love to do more research, but we’re currently funding constrained. If you – GiveWell or anyone else – want to see it, please consider supporting us!
  4. Finally, Rob, we’ve love to come on the podcast!

However, before we get to that, there were some really lovely quotes about our work, and I’d like to share those:[Elie Hassenfeld] “I think the pro of subjective wellbeing measures is that it’s one more angle to use to look at the effectiveness of a programme. It seems to me it’s an important one, and I would like us to take it into consideration.”

[Elie] “…I think one of the things that HLI has done effectively is just ensure that this [using WELLBYs and how to make tradeoffs between saving and improving lives] is on people’s minds. I mean, without a doubt their work has caused us to engage with it more than we otherwise might have. […] it’s clearly an important area that we want to learn more about, and I think could eventually be more supportive of in the future.”

[Elie] “Yeah, they went extremely deep on our deworming cost-effectiveness analysis and pointed out an issue that we had glossed over, where the effect of the deworming treatment degrades over time. […] we were really grateful for that critique, and I thought it catalysed us to launch this Change Our Mind Contest. ”

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