{"version":"givewell-reconciliation-v1","retrieved":"2026-09-08","sourcePublished":"Updated August 2026; grants2022–2024","source":"https://www.givewell.org/impact-estimates","status":"Diagnostic comparison, not a new calibrated central estimate","formula":"USD/10Q = 10 * USD/death / (event-time Q/death / (1+discount)^implementationDelay)","survivalFormula":".8 * .85 * sum k=1..40 (.99/1.03)^(k-.5)","comparisons":[{"slug":"against-malaria-foundation","organization":"Against Malaria Foundation","givewellCostPerLife":5500,"independentCash":3000,"independentDeaths":0.240975,"independentUsdPer10Qalys":9720.187,"independentCostPerLife":12449.424214130097,"finiteQalyPerLife":13.646136753565914,"sameSurvivalConversion":{"giftTimeQalyPerLife":13.646136753565914,"usdPerQaly":403.04447326916744,"usdPer10Qalys":4030.4447326916743},"illustrative50Conversion":{"giftTimeQalyPerLife":50,"usdPerQaly":110,"usdPer10Qalys":1100}},{"slug":"new-incentives","organization":"New Incentives","givewellCostPerLife":4500,"independentCash":10000,"independentDeaths":0.1944,"independentUsdPer10Qalys":43072.99777,"independentCostPerLife":51440.329218107,"finiteQalyPerLife":13.646136753565914,"sameSurvivalConversion":{"giftTimeQalyPerLife":13.646136753565914,"usdPerQaly":329.7636599475006,"usdPer10Qalys":3297.6365994750063},"illustrative50Conversion":{"giftTimeQalyPerLife":50,"usdPerQaly":90,"usdPer10Qalys":900}}],"limitations":["Aggregate deaths may have different age and timing composition; survival examples are not age-matched","Conversion examples omit new-gift implementation lag","50Q/life is illustrative, not GiveWell evidence","No repeated generic attribution haircut on already-adjusted mortality estimates","NI cost/catchment and cost/enrolled are different denominators","Global output is not SF output"]}