The GiveWell Blog

Announcing the Change Our Mind Contest for critiques of our cost-effectiveness analyses

We’re extremely excited to be announcing the Change Our Mind Contest to encourage critiques of our cost-effectiveness analyses that could lead to substantial improvements of our overall allocation of funds. For all the details, see this page.

Cost-effectiveness is the single most important input in our decisions about what programs to recommend, and we believe it’s possible that we’re missing important considerations or making mistakes that lead us to allocate funding suboptimally. We’ve been excited to see people engaging with our cost-effectiveness analyses, and we’d like to inspire more of that engagement.

With that in mind, we’re inviting you to identify potentially important mistakes or weaknesses in our existing cost-effectiveness analyses and tell us about them!

The first-place winning entry will receive $20,000, the runner-up will receive $10,000, and the honorable mention will receive $5,000. We may offer multiple runner-up and honorable mention prizes if the quality of submissions is particularly high. All other entries that meet our criteria will receive a participation prize of $500, capped at a total of 50 participation prizes for the first 50 submissions.

In addition to the monetary prizes, excellent entries may lead to changes in how we allocate millions of dollars of funding, leading to more lives saved or improved.

Entries must be received by October 31, 2022, and the requirements are described in detail on the contest page. We will announce winners by December 15, 2022, and will publish the winning entries online.

If you have any questions, please leave a comment on this post or email

We’re running this contest because the recommendation decisions we make are extremely important, and we want to incentivize feedback that will improve our work, thereby enabling us to do more good. We hope you’ll consider participating!

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