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Notes on how to engage with our impact estimates
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This workbook contains impact estimates for grants from GiveWell's Maximum Impact Fund (MIF) or recommended to Open Philanthropy. We include grants from 2020 onwards.
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Index
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Grants by funding opportunityThis tab lists the cost-effectiveness and estimated impact of specific funding opportunities we've granted to. This is the level at which we do our cost-effectiveness analysis — other tabs (2020 Summary, Grants by organization and grant month) summarize based on the data in this tab.
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Grants summed by organization and grant monthThis tab summarizes impact by organization and grant month For example, funding we directed to Malaria Consortium for many funding opportunities in December 2020 are summarized here as a single grant to Malaria Consortium.
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2020 SummaryThis tab summarizes the impact of grants to specific programs or groupings of programs in 2020.
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Annual impactThis sheet summarizes the outcomes and outputs of the "Grants by funding opportunity" sheet by year. This shows total impact for the grants included on that list. This doesn't show the total impact of GiveWell, only for funding we directly control. It excludes all donations made directly from donors to charities.
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Additional calculationsAdditional calculations related to some values in the "Expected amount of funding allocated" column on the "Grants by funding opportunity" sheet.
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[source] Q3 2020 and Open Phil recommendationsList of grants recommended for MIF 2020 Q3 and to Open Philanthropy at the end of 2020. Used as a reference for some values in the "Expected amount of funding allocated" column on the "Grants by funding opportunity" sheet.
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Helpful GiveWell references
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How we produce impact estimates
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Guide to GiveWell cost-effectiveness analyses
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Full reviews of our top charities
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Past versions of our cost-effectiveness analyses
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Discussion of cost-effectiveness as a criterion
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Blog posts discussing cost-effectiveness
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